20485310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70639}}^1$

素因数の和:70675

約数の個数: 16

約数和(自身を含む): 38145600

約数和(自身を除く): 17660290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 70639, 141278, 353195, 706390, 2048531, 4097062, 10242655, 20485310]

約数ペア:

[(1, 20485310), (2, 10242655), (5, 4097062), (10, 2048531), (29, 706390), (58, 353195), (145, 141278), (290, 70639)]