20604518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19927}}^1$

素因数の和:19987

約数の個数: 16

約数和(自身を含む): 34435584

約数和(自身を除く): 13831066

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 19927, 39854, 219197, 438394, 936569, 1873138, 10302259, 20604518]

約数ペア:

[(1, 20604518), (2, 10302259), (11, 1873138), (22, 936569), (47, 438394), (94, 219197), (517, 39854), (1034, 19927)]