20542450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17863}}^1$

素因数の和:17898

約数の個数: 24

約数和(自身を含む): 39872448

約数和(自身を除く): 19329998

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17863, 35726, 89315, 178630, 410849, 446575, 821698, 893150, 2054245, 4108490, 10271225, 20542450]

約数ペア:

[(1, 20542450), (2, 10271225), (5, 4108490), (10, 2054245), (23, 893150), (25, 821698), (46, 446575), (50, 410849), (115, 178630), (230, 89315), (575, 35726), (1150, 17863)]