15207620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4201}}^1$

素因数の和:4391

約数の個数: 24

約数和(自身を含む): 32120088

約数和(自身を除く): 16912468

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 4201, 8402, 16804, 21005, 42010, 84020, 760381, 1520762, 3041524, 3801905, 7603810, 15207620]

約数ペア:

[(1, 15207620), (2, 7603810), (4, 3801905), (5, 3041524), (10, 1520762), (20, 760381), (181, 84020), (362, 42010), (724, 21005), (905, 16804), (1810, 8402), (3620, 4201)]