20861085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3257}}^1$

素因数の和:3333

約数の個数: 32

約数和(自身を含む): 38783232

約数和(自身を除く): 17922147

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 3257, 6405, 9771, 16285, 22799, 48855, 68397, 113995, 198677, 341985, 596031, 993385, 1390739, 2980155, 4172217, 6953695, 20861085]

約数ペア:

[(1, 20861085), (3, 6953695), (5, 4172217), (7, 2980155), (15, 1390739), (21, 993385), (35, 596031), (61, 341985), (105, 198677), (183, 113995), (305, 68397), (427, 48855), (915, 22799), (1281, 16285), (2135, 9771), (3257, 6405)]