20254310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{421}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 38830752

約数和(自身を除く): 18576442

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 283, 421, 566, 842, 1415, 2105, 2830, 4210, 4811, 7157, 9622, 14314, 24055, 35785, 48110, 71570, 119143, 238286, 595715, 1191430, 2025431, 4050862, 10127155, 20254310]

約数ペア:

[(1, 20254310), (2, 10127155), (5, 4050862), (10, 2025431), (17, 1191430), (34, 595715), (85, 238286), (170, 119143), (283, 71570), (421, 48110), (566, 35785), (842, 24055), (1415, 14314), (2105, 9622), (2830, 7157), (4210, 4811)]