20903644

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{449}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 37346400

約数和(自身を除く): 16442756

約数列:

[1, 2, 4, 103, 113, 206, 226, 412, 449, 452, 898, 1796, 11639, 23278, 46247, 46556, 50737, 92494, 101474, 184988, 202948, 5225911, 10451822, 20903644]

約数ペア:

[(1, 20903644), (2, 10451822), (4, 5225911), (103, 202948), (113, 184988), (206, 101474), (226, 92494), (412, 50737), (449, 46556), (452, 46247), (898, 23278), (1796, 11639)]