20491630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{120539}}^1$

素因数の和:120563

約数の個数: 16

約数和(自身を含む): 39054960

約数和(自身を除く): 18563330

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 120539, 241078, 602695, 1205390, 2049163, 4098326, 10245815, 20491630]

約数ペア:

[(1, 20491630), (2, 10245815), (5, 4098326), (10, 2049163), (17, 1205390), (34, 602695), (85, 241078), (170, 120539)]