20154608468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1637521}}^1$

素因数の和:1637723

約数の個数: 24

約数和(自身を含む): 37551654504

約数和(自身を除く): 17397046036

約数列:

[1, 2, 4, 17, 34, 68, 181, 362, 724, 3077, 6154, 12308, 1637521, 3275042, 6550084, 27837857, 55675714, 111351428, 296391301, 592782602, 1185565204, 5038652117, 10077304234, 20154608468]

約数ペア:

[(1, 20154608468), (2, 10077304234), (4, 5038652117), (17, 1185565204), (34, 592782602), (68, 296391301), (181, 111351428), (362, 55675714), (724, 27837857), (3077, 6550084), (6154, 3275042), (12308, 1637521)]