20721096

素因数分解:

$2^3\times 3^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 224

約数和(自身を含む): 70826400

約数和(自身を除く): 50105304

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 17, 18, 19, 22, 24, 27, 33, 34, 36, 38, 44, 51, 54, 57, 66, 68, 72, 76, 81, 88, 99, 102, 108, 114, 132, 136, 152, 153, 162, 171, 187, 198, 204, 209, 216, 228, 243, 264, 297, 306, 323, 324, 342, 374, 396, 408, 418, 456, 459, 486, 513, 561, 594, 612, 627, 646, 648, 684, 729, 748, 792, 836, 891, 918, 969, 972, 1026, 1122, 1188, 1224, 1254, 1292, 1368, 1377, 1458, 1496, 1539, 1672, 1683, 1782, 1836, 1881, 1938, 1944, 2052, 2244, 2376, 2508, 2584, 2673, 2754, 2907, 2916, 3078, 3366, 3553, 3564, 3672, 3762, 3876, 4104, 4131, 4488, 4617, 5016, 5049, 5346, 5508, 5643, 5814, 5832, 6156, 6732, 7106, 7128, 7524, 7752, 8019, 8262, 8721, 9234, 10098, 10659, 10692, 11016, 11286, 11628, 12312, 12393, 13464, 13851, 14212, 15048, 15147, 16038, 16524, 16929, 17442, 18468, 20196, 21318, 21384, 22572, 23256, 24786, 26163, 27702, 28424, 30294, 31977, 32076, 33048, 33858, 34884, 36936, 40392, 42636, 45144, 45441, 49572, 50787, 52326, 55404, 60588, 63954, 64152, 67716, 69768, 78489, 85272, 90882, 95931, 99144, 101574, 104652, 110808, 121176, 127908, 135432, 136323, 152361, 156978, 181764, 191862, 203148, 209304, 235467, 255816, 272646, 287793, 304722, 313956, 363528, 383724, 406296, 470934, 545292, 575586, 609444, 627912, 767448, 863379, 941868, 1090584, 1151172, 1218888, 1726758, 1883736, 2302344, 2590137, 3453516, 5180274, 6907032, 10360548, 20721096]

約数ペア:

[(1, 20721096), (2, 10360548), (3, 6907032), (4, 5180274), (6, 3453516), (8, 2590137), (9, 2302344), (11, 1883736), (12, 1726758), (17, 1218888), (18, 1151172), (19, 1090584), (22, 941868), (24, 863379), (27, 767448), (33, 627912), (34, 609444), (36, 575586), (38, 545292), (44, 470934), (51, 406296), (54, 383724), (57, 363528), (66, 313956), (68, 304722), (72, 287793), (76, 272646), (81, 255816), (88, 235467), (99, 209304), (102, 203148), (108, 191862), (114, 181764), (132, 156978), (136, 152361), (152, 136323), (153, 135432), (162, 127908), (171, 121176), (187, 110808), (198, 104652), (204, 101574), (209, 99144), (216, 95931), (228, 90882), (243, 85272), (264, 78489), (297, 69768), (306, 67716), (323, 64152), (324, 63954), (342, 60588), (374, 55404), (396, 52326), (408, 50787), (418, 49572), (456, 45441), (459, 45144), (486, 42636), (513, 40392), (561, 36936), (594, 34884), (612, 33858), (627, 33048), (646, 32076), (648, 31977), (684, 30294), (729, 28424), (748, 27702), (792, 26163), (836, 24786), (891, 23256), (918, 22572), (969, 21384), (972, 21318), (1026, 20196), (1122, 18468), (1188, 17442), (1224, 16929), (1254, 16524), (1292, 16038), (1368, 15147), (1377, 15048), (1458, 14212), (1496, 13851), (1539, 13464), (1672, 12393), (1683, 12312), (1782, 11628), (1836, 11286), (1881, 11016), (1938, 10692), (1944, 10659), (2052, 10098), (2244, 9234), (2376, 8721), (2508, 8262), (2584, 8019), (2673, 7752), (2754, 7524), (2907, 7128), (2916, 7106), (3078, 6732), (3366, 6156), (3553, 5832), (3564, 5814), (3672, 5643), (3762, 5508), (3876, 5346), (4104, 5049), (4131, 5016), (4488, 4617)]