20126970055

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{1307}}^1\times {\mathrm{10657}}^1$

素因数の和:12003

約数の個数: 24

約数和(自身を含む): 25678703088

約数和(自身を除く): 5551733033

約数列:

[1, 5, 17, 85, 289, 1307, 1445, 6535, 10657, 22219, 53285, 111095, 181169, 377723, 905845, 1888615, 3079873, 13928699, 15399365, 69643495, 236787883, 1183939415, 4025394011, 20126970055]

約数ペア:

[(1, 20126970055), (5, 4025394011), (17, 1183939415), (85, 236787883), (289, 69643495), (1307, 15399365), (1445, 13928699), (6535, 3079873), (10657, 1888615), (22219, 905845), (53285, 377723), (111095, 181169)]