20121256

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{24419}}^1$

素因数の和:24528

約数の個数: 16

約数和(自身を含む): 38095200

約数和(自身を除く): 17973944

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 24419, 48838, 97676, 195352, 2515157, 5030314, 10060628, 20121256]

約数ペア:

[(1, 20121256), (2, 10060628), (4, 5030314), (8, 2515157), (103, 195352), (206, 97676), (412, 48838), (824, 24419)]