20553973

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 23607936

約数和(自身を除く): 3053963

約数列:

[1, 11, 23, 137, 253, 593, 1507, 3151, 6523, 13639, 34661, 81241, 150029, 893651, 1868543, 20553973]

約数ペア:

[(1, 20553973), (11, 1868543), (23, 893651), (137, 150029), (253, 81241), (593, 34661), (1507, 13639), (3151, 6523)]