20309038

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1419

約数の個数: 16

約数和(自身を含む): 31179456

約数和(自身を除く): 10870418

約数列:

[1, 2, 73, 113, 146, 226, 1231, 2462, 8249, 16498, 89863, 139103, 179726, 278206, 10154519, 20309038]

約数ペア:

[(1, 20309038), (2, 10154519), (73, 278206), (113, 179726), (146, 139103), (226, 89863), (1231, 16498), (2462, 8249)]