20522900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8923}}^1$

素因数の和:8960

約数の個数: 36

約数和(自身を含む): 46476192

約数和(自身を除く): 25953292

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8923, 17846, 35692, 44615, 89230, 178460, 205229, 223075, 410458, 446150, 820916, 892300, 1026145, 2052290, 4104580, 5130725, 10261450, 20522900]

約数ペア:

[(1, 20522900), (2, 10261450), (4, 5130725), (5, 4104580), (10, 2052290), (20, 1026145), (23, 892300), (25, 820916), (46, 446150), (50, 410458), (92, 223075), (100, 205229), (115, 178460), (230, 89230), (460, 44615), (575, 35692), (1150, 17846), (2300, 8923)]