20705594

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3923}}^1$

素因数の和:3974

約数の個数: 32

約数和(自身を含む): 39553920

約数和(自身を除く): 18848326

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 3923, 5278, 7846, 27461, 50999, 54922, 101998, 113767, 227534, 356993, 713986, 796369, 1478971, 1592738, 2957942, 10352797, 20705594]

約数ペア:

[(1, 20705594), (2, 10352797), (7, 2957942), (13, 1592738), (14, 1478971), (26, 796369), (29, 713986), (58, 356993), (91, 227534), (182, 113767), (203, 101998), (377, 54922), (406, 50999), (754, 27461), (2639, 7846), (3923, 5278)]