20807581951

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{316759}}^1$

素因数の和:316966

約数の個数: 16

約数和(自身を含む): 23272990720

約数和(自身を除く): 2465408769

約数列:

[1, 13, 31, 163, 403, 2119, 5053, 65689, 316759, 4117867, 9819529, 51631717, 127653877, 671212321, 1600583227, 20807581951]

約数ペア:

[(1, 20807581951), (13, 1600583227), (31, 671212321), (163, 127653877), (403, 51631717), (2119, 9819529), (5053, 4117867), (65689, 316759)]