20121664101

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87106771}}^1$

素因数の和:87106792

約数の個数: 16

約数和(自身を含む): 33449000448

約数和(自身を除く): 13327336347

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87106771, 261320313, 609747397, 958174481, 1829242191, 2874523443, 6707221367, 20121664101]

約数ペア:

[(1, 20121664101), (3, 6707221367), (7, 2874523443), (11, 1829242191), (21, 958174481), (33, 609747397), (77, 261320313), (231, 87106771)]