20458412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23143}}^1$

素因数の和:23177

約数の個数: 24

約数和(自身を含む): 40826016

約数和(自身を除く): 20367604

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23143, 46286, 92572, 300859, 393431, 601718, 786862, 1203436, 1573724, 5114603, 10229206, 20458412]

約数ペア:

[(1, 20458412), (2, 10229206), (4, 5114603), (13, 1573724), (17, 1203436), (26, 786862), (34, 601718), (52, 393431), (68, 300859), (221, 92572), (442, 46286), (884, 23143)]