20221825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 27651008

約数和(自身を除く): 7429183

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 1447, 2795, 7235, 13975, 18811, 36175, 62221, 94055, 311105, 470275, 808873, 1555525, 4044365, 20221825]

約数ペア:

[(1, 20221825), (5, 4044365), (13, 1555525), (25, 808873), (43, 470275), (65, 311105), (215, 94055), (325, 62221), (559, 36175), (1075, 18811), (1447, 13975), (2795, 7235)]