20442638

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1$

素因数の和:851

約数の個数: 16

約数和(自身を含む): 31281360

約数和(自身を除く): 10838722

約数列:

[1, 2, 67, 134, 373, 409, 746, 818, 24991, 27403, 49982, 54806, 152557, 305114, 10221319, 20442638]

約数ペア:

[(1, 20442638), (2, 10221319), (67, 305114), (134, 152557), (373, 54806), (409, 49982), (746, 27403), (818, 24991)]