20120804975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{116423}}^1$

素因数の和:116687

約数の個数: 24

約数和(自身を含む): 25870344192

約数和(自身を除く): 5749539217

約数列:

[1, 5, 25, 31, 155, 223, 775, 1115, 5575, 6913, 34565, 116423, 172825, 582115, 2910575, 3609113, 18045565, 25962329, 90227825, 129811645, 649058225, 804832199, 4024160995, 20120804975]

約数ペア:

[(1, 20120804975), (5, 4024160995), (25, 804832199), (31, 649058225), (155, 129811645), (223, 90227825), (775, 25962329), (1115, 18045565), (5575, 3609113), (6913, 2910575), (34565, 582115), (116423, 172825)]