20702934940

素因数分解:

$2^2\times 5^1\times {\mathrm{15107}}^1\times {\mathrm{68521}}^1$

素因数の和:83637

約数の個数: 24

約数和(自身を含む): 43479675792

約数和(自身を除く): 22776740852

約数列:

[1, 2, 4, 5, 10, 20, 15107, 30214, 60428, 68521, 75535, 137042, 151070, 274084, 302140, 342605, 685210, 1370420, 1035146747, 2070293494, 4140586988, 5175733735, 10351467470, 20702934940]

約数ペア:

[(1, 20702934940), (2, 10351467470), (4, 5175733735), (5, 4140586988), (10, 2070293494), (20, 1035146747), (15107, 1370420), (30214, 685210), (60428, 342605), (68521, 302140), (75535, 274084), (137042, 151070)]