20163756678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1\times {\mathrm{11173}}^1$

素因数の和:12569

約数の個数: 64

約数和(自身を含む): 46022219712

約数和(自身を除く): 25858463034

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 1361, 2722, 4083, 8166, 11173, 17693, 22346, 23137, 33519, 35386, 46274, 53079, 67038, 69411, 106158, 138822, 145249, 189941, 290498, 300781, 379882, 435747, 569823, 601562, 871494, 902343, 1139646, 1804686, 2469233, 4938466, 7407699, 14815398, 15206453, 30412906, 45619359, 91238718, 197683889, 258509701, 395367778, 517019402, 593051667, 775529103, 1186103334, 1551058206, 3360626113, 6721252226, 10081878339, 20163756678]

約数ペア:

[(1, 20163756678), (2, 10081878339), (3, 6721252226), (6, 3360626113), (13, 1551058206), (17, 1186103334), (26, 775529103), (34, 593051667), (39, 517019402), (51, 395367778), (78, 258509701), (102, 197683889), (221, 91238718), (442, 45619359), (663, 30412906), (1326, 15206453), (1361, 14815398), (2722, 7407699), (4083, 4938466), (8166, 2469233), (11173, 1804686), (17693, 1139646), (22346, 902343), (23137, 871494), (33519, 601562), (35386, 569823), (46274, 435747), (53079, 379882), (67038, 300781), (69411, 290498), (106158, 189941), (138822, 145249)]