20778864888089

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4621}}^1\times {\mathrm{656153}}^1$

素因数の和:660881

約数の個数: 32

約数和(自身を含む): 26202906328320

約数和(自身を除く): 5424041440231

約数列:

[1, 7, 11, 77, 89, 623, 979, 4621, 6853, 32347, 50831, 355817, 411269, 656153, 2878883, 4523959, 4593071, 7217683, 31667713, 50523781, 58397617, 408783319, 642373787, 3032083013, 4496616509, 21224581091, 33352913143, 233470392001, 269855388157, 1888987717099, 2968409269727, 20778864888089]

約数ペア:

[(1, 20778864888089), (7, 2968409269727), (11, 1888987717099), (77, 269855388157), (89, 233470392001), (623, 33352913143), (979, 21224581091), (4621, 4496616509), (6853, 3032083013), (32347, 642373787), (50831, 408783319), (355817, 58397617), (411269, 50523781), (656153, 31667713), (2878883, 7217683), (4523959, 4593071)]