20968835

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{439}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 4977085

約数列:

[1, 5, 41, 205, 233, 439, 1165, 2195, 9553, 17999, 47765, 89995, 102287, 511435, 4193767, 20968835]

約数ペア:

[(1, 20968835), (5, 4193767), (41, 511435), (205, 102287), (233, 89995), (439, 47765), (1165, 17999), (2195, 9553)]