20120398

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:651

約数の個数: 16

約数和(自身を含む): 30602880

約数和(自身を除く): 10482482

約数列:

[1, 2, 197, 223, 229, 394, 446, 458, 43931, 45113, 51067, 87862, 90226, 102134, 10060199, 20120398]

約数ペア:

[(1, 20120398), (2, 10060199), (197, 102134), (223, 90226), (229, 87862), (394, 51067), (446, 45113), (458, 43931)]