20267130227320

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{394916801}}^1$

素因数の和:394918095

約数の個数: 32

約数和(自身を含む): 45636585639120

約数和(自身を除く): 25369455411800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 5132, 6415, 10264, 12830, 25660, 51320, 394916801, 789833602, 1579667204, 1974584005, 3159334408, 3949168010, 7898336020, 15796672040, 506678255683, 1013356511366, 2026713022732, 2533391278415, 4053426045464, 5066782556830, 10133565113660, 20267130227320]

約数ペア:

[(1, 20267130227320), (2, 10133565113660), (4, 5066782556830), (5, 4053426045464), (8, 2533391278415), (10, 2026713022732), (20, 1013356511366), (40, 506678255683), (1283, 15796672040), (2566, 7898336020), (5132, 3949168010), (6415, 3159334408), (10264, 1974584005), (12830, 1579667204), (25660, 789833602), (51320, 394916801)]