20705427875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{133261}}^1$

素因数の和:133400

約数の個数: 32

約数和(自身を含む): 28439176896

約数和(自身を除く): 7733749021

約数列:

[1, 5, 11, 25, 55, 113, 125, 275, 565, 1243, 1375, 2825, 6215, 14125, 31075, 133261, 155375, 666305, 1465871, 3331525, 7329355, 15058493, 16657625, 36646775, 75292465, 165643423, 183233875, 376462325, 828217115, 1882311625, 4141085575, 20705427875]

約数ペア:

[(1, 20705427875), (5, 4141085575), (11, 1882311625), (25, 828217115), (55, 376462325), (113, 183233875), (125, 165643423), (275, 75292465), (565, 36646775), (1243, 16657625), (1375, 15058493), (2825, 7329355), (6215, 3331525), (14125, 1465871), (31075, 666305), (133261, 155375)]