20121026

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{2287}}^1$

素因数の和:2425

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 11014078

約数列:

[1, 2, 53, 83, 106, 166, 2287, 4399, 4574, 8798, 121211, 189821, 242422, 379642, 10060513, 20121026]

約数ペア:

[(1, 20121026), (2, 10060513), (53, 379642), (83, 242422), (106, 189821), (166, 121211), (2287, 8798), (4399, 4574)]