20166967535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{655943}}^1$

素因数の和:656015

約数の個数: 32

約数和(自身を含む): 29092428288

約数和(自身を除く): 8925460753

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 715, 2365, 2795, 6149, 30745, 655943, 3279715, 7215373, 8527259, 28205549, 36076865, 42636295, 93799849, 141027745, 310261039, 366672137, 468999245, 1551305195, 1833360685, 4033393507, 20166967535]

約数ペア:

[(1, 20166967535), (5, 4033393507), (11, 1833360685), (13, 1551305195), (43, 468999245), (55, 366672137), (65, 310261039), (143, 141027745), (215, 93799849), (473, 42636295), (559, 36076865), (715, 28205549), (2365, 8527259), (2795, 7215373), (6149, 3279715), (30745, 655943)]