20717424

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 320

約数和(自身を含む): 79994880

約数和(自身を除く): 59277456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 27, 28, 31, 34, 36, 39, 42, 48, 51, 52, 54, 56, 62, 63, 68, 72, 78, 84, 91, 93, 102, 104, 108, 112, 117, 119, 124, 126, 136, 144, 153, 156, 168, 182, 186, 189, 204, 208, 216, 217, 221, 234, 238, 248, 252, 272, 273, 279, 306, 312, 336, 351, 357, 364, 372, 378, 403, 408, 432, 434, 442, 459, 468, 476, 496, 504, 527, 546, 558, 612, 624, 651, 663, 702, 714, 728, 744, 756, 806, 816, 819, 837, 868, 884, 918, 936, 952, 1008, 1054, 1071, 1092, 1116, 1209, 1224, 1302, 1326, 1404, 1428, 1456, 1488, 1512, 1547, 1581, 1612, 1638, 1674, 1736, 1768, 1836, 1872, 1904, 1953, 1989, 2108, 2142, 2184, 2232, 2418, 2448, 2457, 2604, 2652, 2808, 2821, 2856, 3024, 3094, 3162, 3213, 3224, 3276, 3348, 3472, 3536, 3627, 3672, 3689, 3906, 3978, 4216, 4284, 4368, 4464, 4641, 4743, 4836, 4914, 5208, 5304, 5616, 5642, 5712, 5859, 5967, 6188, 6324, 6426, 6448, 6552, 6696, 6851, 7254, 7344, 7378, 7812, 7956, 8432, 8463, 8568, 9282, 9486, 9672, 9828, 10416, 10608, 10881, 11067, 11284, 11718, 11934, 12376, 12648, 12852, 13104, 13392, 13702, 13923, 14229, 14508, 14756, 15624, 15912, 16926, 17136, 18564, 18972, 19344, 19656, 20553, 21762, 22134, 22568, 23436, 23868, 24752, 25296, 25389, 25704, 27404, 27846, 28458, 29016, 29512, 31248, 31824, 33201, 33852, 37128, 37944, 39312, 41106, 41769, 43524, 44268, 45136, 46872, 47736, 47957, 50778, 51408, 54808, 55692, 56916, 58032, 59024, 61659, 66402, 67704, 74256, 75888, 76167, 82212, 83538, 87048, 88536, 93744, 95472, 95914, 99603, 101556, 109616, 111384, 113832, 123318, 132804, 135408, 143871, 152334, 164424, 167076, 174096, 177072, 184977, 191828, 199206, 203112, 222768, 227664, 246636, 265608, 287742, 304668, 328848, 334152, 369954, 383656, 398412, 406224, 431613, 493272, 531216, 575484, 609336, 668304, 739908, 767312, 796824, 863226, 986544, 1150968, 1218672, 1294839, 1479816, 1593648, 1726452, 2301936, 2589678, 2959632, 3452904, 5179356, 6905808, 10358712, 20717424]

約数ペア:

[(1, 20717424), (2, 10358712), (3, 6905808), (4, 5179356), (6, 3452904), (7, 2959632), (8, 2589678), (9, 2301936), (12, 1726452), (13, 1593648), (14, 1479816), (16, 1294839), (17, 1218672), (18, 1150968), (21, 986544), (24, 863226), (26, 796824), (27, 767312), (28, 739908), (31, 668304), (34, 609336), (36, 575484), (39, 531216), (42, 493272), (48, 431613), (51, 406224), (52, 398412), (54, 383656), (56, 369954), (62, 334152), (63, 328848), (68, 304668), (72, 287742), (78, 265608), (84, 246636), (91, 227664), (93, 222768), (102, 203112), (104, 199206), (108, 191828), (112, 184977), (117, 177072), (119, 174096), (124, 167076), (126, 164424), (136, 152334), (144, 143871), (153, 135408), (156, 132804), (168, 123318), (182, 113832), (186, 111384), (189, 109616), (204, 101556), (208, 99603), (216, 95914), (217, 95472), (221, 93744), (234, 88536), (238, 87048), (248, 83538), (252, 82212), (272, 76167), (273, 75888), (279, 74256), (306, 67704), (312, 66402), (336, 61659), (351, 59024), (357, 58032), (364, 56916), (372, 55692), (378, 54808), (403, 51408), (408, 50778), (432, 47957), (434, 47736), (442, 46872), (459, 45136), (468, 44268), (476, 43524), (496, 41769), (504, 41106), (527, 39312), (546, 37944), (558, 37128), (612, 33852), (624, 33201), (651, 31824), (663, 31248), (702, 29512), (714, 29016), (728, 28458), (744, 27846), (756, 27404), (806, 25704), (816, 25389), (819, 25296), (837, 24752), (868, 23868), (884, 23436), (918, 22568), (936, 22134), (952, 21762), (1008, 20553), (1054, 19656), (1071, 19344), (1092, 18972), (1116, 18564), (1209, 17136), (1224, 16926), (1302, 15912), (1326, 15624), (1404, 14756), (1428, 14508), (1456, 14229), (1488, 13923), (1512, 13702), (1547, 13392), (1581, 13104), (1612, 12852), (1638, 12648), (1674, 12376), (1736, 11934), (1768, 11718), (1836, 11284), (1872, 11067), (1904, 10881), (1953, 10608), (1989, 10416), (2108, 9828), (2142, 9672), (2184, 9486), (2232, 9282), (2418, 8568), (2448, 8463), (2457, 8432), (2604, 7956), (2652, 7812), (2808, 7378), (2821, 7344), (2856, 7254), (3024, 6851), (3094, 6696), (3162, 6552), (3213, 6448), (3224, 6426), (3276, 6324), (3348, 6188), (3472, 5967), (3536, 5859), (3627, 5712), (3672, 5642), (3689, 5616), (3906, 5304), (3978, 5208), (4216, 4914), (4284, 4836), (4368, 4743), (4464, 4641)]