20940580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45523}}^1$

素因数の和:45555

約数の個数: 24

約数和(自身を含む): 45888192

約数和(自身を除く): 24947612

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45523, 91046, 182092, 227615, 455230, 910460, 1047029, 2094058, 4188116, 5235145, 10470290, 20940580]

約数ペア:

[(1, 20940580), (2, 10470290), (4, 5235145), (5, 4188116), (10, 2094058), (20, 1047029), (23, 910460), (46, 455230), (92, 227615), (115, 182092), (230, 91046), (460, 45523)]