2020165975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 2708174880

約数和(自身を除く): 688008905

約数列:

[1, 5, 19, 25, 61, 95, 113, 305, 475, 565, 617, 1159, 1525, 2147, 2825, 3085, 5795, 6893, 10735, 11723, 15425, 28975, 34465, 37637, 53675, 58615, 69721, 130967, 172325, 188185, 293075, 348605, 654835, 715103, 940925, 1324699, 1743025, 3274175, 3575515, 4252981, 6623495, 17877575, 21264905, 33117475, 80806639, 106324525, 404033195, 2020165975]

約数ペア:

[(1, 2020165975), (5, 404033195), (19, 106324525), (25, 80806639), (61, 33117475), (95, 21264905), (113, 17877575), (305, 6623495), (475, 4252981), (565, 3575515), (617, 3274175), (1159, 1743025), (1525, 1324699), (2147, 940925), (2825, 715103), (3085, 654835), (5795, 348605), (6893, 293075), (10735, 188185), (11723, 172325), (15425, 130967), (28975, 69721), (34465, 58615), (37637, 53675)]