20157430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87641}}^1$

素因数の和:87671

約数の個数: 16

約数和(自身を含む): 37861344

約数和(自身を除く): 17703914

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87641, 175282, 438205, 876410, 2015743, 4031486, 10078715, 20157430]

約数ペア:

[(1, 20157430), (2, 10078715), (5, 4031486), (10, 2015743), (23, 876410), (46, 438205), (115, 175282), (230, 87641)]