20121748

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{179}}^2$

素因数の和:519

約数の個数: 18

約数和(自身を含む): 35636426

約数和(自身を除く): 15514678

約数列:

[1, 2, 4, 157, 179, 314, 358, 628, 716, 28103, 32041, 56206, 64082, 112412, 128164, 5030437, 10060874, 20121748]

約数ペア:

[(1, 20121748), (2, 10060874), (4, 5030437), (157, 128164), (179, 112412), (314, 64082), (358, 56206), (628, 32041), (716, 28103)]