20157304890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{671910163}}^1$

素因数の和:671910173

約数の個数: 16

約数和(自身を含む): 48377531808

約数和(自身を除く): 28220226918

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 671910163, 1343820326, 2015730489, 3359550815, 4031460978, 6719101630, 10078652445, 20157304890]

約数ペア:

[(1, 20157304890), (2, 10078652445), (3, 6719101630), (5, 4031460978), (6, 3359550815), (10, 2015730489), (15, 1343820326), (30, 671910163)]