20707751

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 23079168

約数和(自身を除く): 2371417

約数列:

[1, 17, 23, 211, 251, 391, 3587, 4267, 4853, 5773, 52961, 82501, 98141, 900337, 1218103, 20707751]

約数ペア:

[(1, 20707751), (17, 1218103), (23, 900337), (211, 98141), (251, 82501), (391, 52961), (3587, 5773), (4267, 4853)]