20726568

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 60060000

約数和(自身を除く): 39333432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 109, 114, 139, 152, 171, 218, 228, 278, 327, 342, 417, 436, 456, 556, 654, 684, 834, 872, 981, 1112, 1251, 1308, 1368, 1668, 1962, 2071, 2502, 2616, 2641, 3336, 3924, 4142, 5004, 5282, 6213, 7848, 7923, 8284, 10008, 10564, 12426, 15151, 15846, 16568, 18639, 21128, 23769, 24852, 30302, 31692, 37278, 45453, 47538, 49704, 60604, 63384, 74556, 90906, 95076, 121208, 136359, 149112, 181812, 190152, 272718, 287869, 363624, 545436, 575738, 863607, 1090872, 1151476, 1727214, 2302952, 2590821, 3454428, 5181642, 6908856, 10363284, 20726568]

約数ペア:

[(1, 20726568), (2, 10363284), (3, 6908856), (4, 5181642), (6, 3454428), (8, 2590821), (9, 2302952), (12, 1727214), (18, 1151476), (19, 1090872), (24, 863607), (36, 575738), (38, 545436), (57, 363624), (72, 287869), (76, 272718), (109, 190152), (114, 181812), (139, 149112), (152, 136359), (171, 121208), (218, 95076), (228, 90906), (278, 74556), (327, 63384), (342, 60604), (417, 49704), (436, 47538), (456, 45453), (556, 37278), (654, 31692), (684, 30302), (834, 24852), (872, 23769), (981, 21128), (1112, 18639), (1251, 16568), (1308, 15846), (1368, 15151), (1668, 12426), (1962, 10564), (2071, 10008), (2502, 8284), (2616, 7923), (2641, 7848), (3336, 6213), (3924, 5282), (4142, 5004)]