20854150

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3691}}^1$

素因数の和:3816

約数の個数: 24

約数和(自身を含む): 39142584

約数和(自身を除く): 18288434

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3691, 5650, 7382, 18455, 36910, 92275, 184550, 417083, 834166, 2085415, 4170830, 10427075, 20854150]

約数ペア:

[(1, 20854150), (2, 10427075), (5, 4170830), (10, 2085415), (25, 834166), (50, 417083), (113, 184550), (226, 92275), (565, 36910), (1130, 18455), (2825, 7382), (3691, 5650)]