20306476

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 36288000

約数和(自身を除く): 15981524

約数列:

[1, 2, 4, 79, 158, 179, 316, 358, 359, 716, 718, 1436, 14141, 28282, 28361, 56564, 56722, 64261, 113444, 128522, 257044, 5076619, 10153238, 20306476]

約数ペア:

[(1, 20306476), (2, 10153238), (4, 5076619), (79, 257044), (158, 128522), (179, 113444), (316, 64261), (358, 56722), (359, 56564), (716, 28361), (718, 28282), (1436, 14141)]