20515014765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{997}}^1\times {\mathrm{65323}}^1$

素因数の和:66338

約数の個数: 48

約数和(自身を含む): 40680651648

約数和(自身を除く): 20165636883

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 997, 2991, 4985, 6979, 8973, 14955, 20937, 34895, 44865, 62811, 65323, 104685, 195969, 314055, 326615, 457261, 587907, 979845, 1371783, 2286305, 2939535, 4115349, 6858915, 20576745, 65127031, 195381093, 325635155, 455889217, 586143279, 976905465, 1367667651, 2279446085, 2930716395, 4103002953, 6838338255, 20515014765]

約数ペア:

[(1, 20515014765), (3, 6838338255), (5, 4103002953), (7, 2930716395), (9, 2279446085), (15, 1367667651), (21, 976905465), (35, 586143279), (45, 455889217), (63, 325635155), (105, 195381093), (315, 65127031), (997, 20576745), (2991, 6858915), (4985, 4115349), (6979, 2939535), (8973, 2286305), (14955, 1371783), (20937, 979845), (34895, 587907), (44865, 457261), (62811, 326615), (65323, 314055), (104685, 195969)]