20165304670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{72073}}^1$

素因数の和:72665

約数の個数: 48

約数和(自身を含む): 42298212528

約数和(自身を除く): 22132907858

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 571, 1142, 2855, 3997, 5710, 7994, 19985, 27979, 39970, 55958, 72073, 139895, 144146, 279790, 360365, 504511, 720730, 1009022, 2522555, 3531577, 5045110, 7063154, 17657885, 35315770, 41153683, 82307366, 205768415, 288075781, 411536830, 576151562, 1440378905, 2016530467, 2880757810, 4033060934, 10082652335, 20165304670]

約数ペア:

[(1, 20165304670), (2, 10082652335), (5, 4033060934), (7, 2880757810), (10, 2016530467), (14, 1440378905), (35, 576151562), (49, 411536830), (70, 288075781), (98, 205768415), (245, 82307366), (490, 41153683), (571, 35315770), (1142, 17657885), (2855, 7063154), (3997, 5045110), (5710, 3531577), (7994, 2522555), (19985, 1009022), (27979, 720730), (39970, 504511), (55958, 360365), (72073, 279790), (139895, 144146)]