20560698920

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{507421}}^1$

素因数の和:508445

約数の個数: 32

約数和(自身を含む): 46307331720

約数和(自身を除く): 25746632800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 4052, 5065, 8104, 10130, 20260, 40520, 507421, 1014842, 2029684, 2537105, 4059368, 5074210, 10148420, 20296840, 514017473, 1028034946, 2056069892, 2570087365, 4112139784, 5140174730, 10280349460, 20560698920]

約数ペア:

[(1, 20560698920), (2, 10280349460), (4, 5140174730), (5, 4112139784), (8, 2570087365), (10, 2056069892), (20, 1028034946), (40, 514017473), (1013, 20296840), (2026, 10148420), (4052, 5074210), (5065, 4059368), (8104, 2537105), (10130, 2029684), (20260, 1014842), (40520, 507421)]