236442020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{28081}}^1$

素因数の和:28511

約数の個数: 24

約数和(自身を含む): 497725368

約数和(自身を除く): 261283348

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 28081, 56162, 112324, 140405, 280810, 561620, 11822101, 23644202, 47288404, 59110505, 118221010, 236442020]

約数ペア:

[(1, 236442020), (2, 118221010), (4, 59110505), (5, 47288404), (10, 23644202), (20, 11822101), (421, 561620), (842, 280810), (1684, 140405), (2105, 112324), (4210, 56162), (8420, 28081)]