20387684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{587}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 37702560

約数和(自身を除く): 17314876

約数列:

[1, 2, 4, 19, 38, 76, 457, 587, 914, 1174, 1828, 2348, 8683, 11153, 17366, 22306, 34732, 44612, 268259, 536518, 1073036, 5096921, 10193842, 20387684]

約数ペア:

[(1, 20387684), (2, 10193842), (4, 5096921), (19, 1073036), (38, 536518), (76, 268259), (457, 44612), (587, 34732), (914, 22306), (1174, 17366), (1828, 11153), (2348, 8683)]