20192904305

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19894487}}^1$

素因数の和:19894528

約数の個数: 16

約数和(自身を含む): 28648062720

約数和(自身を除く): 8455158415

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19894487, 99472435, 139261409, 576940123, 696307045, 2884700615, 4038580861, 20192904305]

約数ペア:

[(1, 20192904305), (5, 4038580861), (7, 2884700615), (29, 696307045), (35, 576940123), (145, 139261409), (203, 99472435), (1015, 19894487)]