20131119211

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{6917}}^1$

素因数の和:7639

約数の個数: 32

約数和(自身を含む): 25060205952

約数和(自身を除く): 4929086741

約数列:

[1, 7, 17, 37, 119, 259, 629, 661, 4403, 4627, 6917, 11237, 24457, 48419, 78659, 117589, 171199, 255929, 415769, 823123, 1791503, 2910383, 4350793, 4572137, 30455551, 32004959, 77726329, 169169069, 544084303, 1184183483, 2875874173, 20131119211]

約数ペア:

[(1, 20131119211), (7, 2875874173), (17, 1184183483), (37, 544084303), (119, 169169069), (259, 77726329), (629, 32004959), (661, 30455551), (4403, 4572137), (4627, 4350793), (6917, 2910383), (11237, 1791503), (24457, 823123), (48419, 415769), (78659, 255929), (117589, 171199)]