20101485

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13444755

約数列:

[1, 3, 5, 15, 31, 93, 139, 155, 311, 417, 465, 695, 933, 1555, 2085, 4309, 4665, 9641, 12927, 21545, 28923, 43229, 48205, 64635, 129687, 144615, 216145, 648435, 1340099, 4020297, 6700495, 20101485]

約数ペア:

[(1, 20101485), (3, 6700495), (5, 4020297), (15, 1340099), (31, 648435), (93, 216145), (139, 144615), (155, 129687), (311, 64635), (417, 48205), (465, 43229), (695, 28923), (933, 21545), (1555, 12927), (2085, 9641), (4309, 4665)]