20458616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{150431}}^1$

素因数の和:150454

約数の個数: 16

約数和(自身を含む): 40616640

約数和(自身を除く): 20158024

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 150431, 300862, 601724, 1203448, 2557327, 5114654, 10229308, 20458616]

約数ペア:

[(1, 20458616), (2, 10229308), (4, 5114654), (8, 2557327), (17, 1203448), (34, 601724), (68, 300862), (136, 150431)]