20197035130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{144709}}^1$

素因数の和:145554

約数の個数: 32

約数和(自身を含む): 38540324880

約数和(自身を除く): 18343289750

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 821, 1642, 4105, 8210, 13957, 27914, 69785, 139570, 144709, 289418, 723545, 1447090, 2460053, 4920106, 12300265, 24600530, 118806089, 237612178, 594030445, 1188060890, 2019703513, 4039407026, 10098517565, 20197035130]

約数ペア:

[(1, 20197035130), (2, 10098517565), (5, 4039407026), (10, 2019703513), (17, 1188060890), (34, 594030445), (85, 237612178), (170, 118806089), (821, 24600530), (1642, 12300265), (4105, 4920106), (8210, 2460053), (13957, 1447090), (27914, 723545), (69785, 289418), (139570, 144709)]