20813470

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^2\times {\mathrm{163}}^1$

素因数の和:396

約数の個数: 24

約数和(自身を含む): 38030616

約数和(自身を除く): 17217146

約数列:

[1, 2, 5, 10, 113, 163, 226, 326, 565, 815, 1130, 1630, 12769, 18419, 25538, 36838, 63845, 92095, 127690, 184190, 2081347, 4162694, 10406735, 20813470]

約数ペア:

[(1, 20813470), (2, 10406735), (5, 4162694), (10, 2081347), (113, 184190), (163, 127690), (226, 92095), (326, 63845), (565, 36838), (815, 25538), (1130, 18419), (1630, 12769)]