20121662030

素因数分解:

$2^1\times 5^1\times {\mathrm{12821}}^1\times {\mathrm{156943}}^1$

素因数の和:169771

約数の個数: 16

約数和(自身を含む): 36222047424

約数和(自身を除く): 16100385394

約数列:

[1, 2, 5, 10, 12821, 25642, 64105, 128210, 156943, 313886, 784715, 1569430, 2012166203, 4024332406, 10060831015, 20121662030]

約数ペア:

[(1, 20121662030), (2, 10060831015), (5, 4024332406), (10, 2012166203), (12821, 1569430), (25642, 784715), (64105, 313886), (128210, 156943)]