20172255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13696545

約数列:

[1, 3, 5, 15, 29, 79, 87, 145, 237, 395, 435, 587, 1185, 1761, 2291, 2935, 6873, 8805, 11455, 17023, 34365, 46373, 51069, 85115, 139119, 231865, 255345, 695595, 1344817, 4034451, 6724085, 20172255]

約数ペア:

[(1, 20172255), (3, 6724085), (5, 4034451), (15, 1344817), (29, 695595), (79, 255345), (87, 231865), (145, 139119), (237, 85115), (395, 51069), (435, 46373), (587, 34365), (1185, 17023), (1761, 11455), (2291, 8805), (2935, 6873)]