20953296

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 240

約数和(自身を含む): 76245120

約数和(自身を除く): 55291824

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 41, 42, 48, 52, 54, 56, 63, 72, 78, 82, 84, 91, 104, 108, 112, 117, 123, 126, 144, 156, 164, 168, 169, 182, 189, 208, 216, 234, 246, 252, 273, 287, 312, 328, 336, 338, 351, 364, 369, 378, 432, 468, 492, 504, 507, 533, 546, 574, 624, 656, 676, 702, 728, 738, 756, 819, 861, 936, 984, 1008, 1014, 1066, 1092, 1107, 1148, 1183, 1352, 1404, 1456, 1476, 1512, 1521, 1599, 1638, 1722, 1872, 1968, 2028, 2132, 2184, 2214, 2296, 2366, 2457, 2583, 2704, 2808, 2952, 3024, 3042, 3198, 3276, 3444, 3549, 3731, 4056, 4264, 4368, 4428, 4563, 4592, 4732, 4797, 4914, 5166, 5616, 5904, 6084, 6396, 6552, 6888, 6929, 7098, 7462, 7749, 8112, 8528, 8856, 9126, 9464, 9594, 9828, 10332, 10647, 11193, 12168, 12792, 13104, 13776, 13858, 14196, 14391, 14924, 15498, 17712, 18252, 18928, 19188, 19656, 20664, 20787, 21294, 22386, 24336, 25584, 27716, 28392, 28782, 29848, 30996, 31941, 33579, 36504, 38376, 39312, 41328, 41574, 42588, 44772, 48503, 55432, 56784, 57564, 59696, 61992, 62361, 63882, 67158, 73008, 76752, 83148, 85176, 89544, 97006, 100737, 110864, 115128, 123984, 124722, 127764, 134316, 145509, 166296, 170352, 179088, 187083, 194012, 201474, 230256, 249444, 255528, 268632, 291018, 332592, 374166, 388024, 402948, 436527, 498888, 511056, 537264, 582036, 748332, 776048, 805896, 873054, 997776, 1164072, 1309581, 1496664, 1611792, 1746108, 2328144, 2619162, 2993328, 3492216, 5238324, 6984432, 10476648, 20953296]

約数ペア:

[(1, 20953296), (2, 10476648), (3, 6984432), (4, 5238324), (6, 3492216), (7, 2993328), (8, 2619162), (9, 2328144), (12, 1746108), (13, 1611792), (14, 1496664), (16, 1309581), (18, 1164072), (21, 997776), (24, 873054), (26, 805896), (27, 776048), (28, 748332), (36, 582036), (39, 537264), (41, 511056), (42, 498888), (48, 436527), (52, 402948), (54, 388024), (56, 374166), (63, 332592), (72, 291018), (78, 268632), (82, 255528), (84, 249444), (91, 230256), (104, 201474), (108, 194012), (112, 187083), (117, 179088), (123, 170352), (126, 166296), (144, 145509), (156, 134316), (164, 127764), (168, 124722), (169, 123984), (182, 115128), (189, 110864), (208, 100737), (216, 97006), (234, 89544), (246, 85176), (252, 83148), (273, 76752), (287, 73008), (312, 67158), (328, 63882), (336, 62361), (338, 61992), (351, 59696), (364, 57564), (369, 56784), (378, 55432), (432, 48503), (468, 44772), (492, 42588), (504, 41574), (507, 41328), (533, 39312), (546, 38376), (574, 36504), (624, 33579), (656, 31941), (676, 30996), (702, 29848), (728, 28782), (738, 28392), (756, 27716), (819, 25584), (861, 24336), (936, 22386), (984, 21294), (1008, 20787), (1014, 20664), (1066, 19656), (1092, 19188), (1107, 18928), (1148, 18252), (1183, 17712), (1352, 15498), (1404, 14924), (1456, 14391), (1476, 14196), (1512, 13858), (1521, 13776), (1599, 13104), (1638, 12792), (1722, 12168), (1872, 11193), (1968, 10647), (2028, 10332), (2132, 9828), (2184, 9594), (2214, 9464), (2296, 9126), (2366, 8856), (2457, 8528), (2583, 8112), (2704, 7749), (2808, 7462), (2952, 7098), (3024, 6929), (3042, 6888), (3198, 6552), (3276, 6396), (3444, 6084), (3549, 5904), (3731, 5616), (4056, 5166), (4264, 4914), (4368, 4797), (4428, 4732), (4563, 4592)]