20932828

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4951}}^1$

素因数の和:5113

約数の個数: 24

約数和(自身を含む): 42151424

約数和(自身を除く): 21218596

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4951, 9902, 19804, 34657, 69314, 138628, 747601, 1495202, 2990404, 5233207, 10466414, 20932828]

約数ペア:

[(1, 20932828), (2, 10466414), (4, 5233207), (7, 2990404), (14, 1495202), (28, 747601), (151, 138628), (302, 69314), (604, 34657), (1057, 19804), (2114, 9902), (4228, 4951)]