20530089

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{569}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 31418400

約数和(自身を除く): 10888311

約数列:

[1, 3, 9, 19, 57, 171, 211, 569, 633, 1707, 1899, 4009, 5121, 10811, 12027, 32433, 36081, 97299, 120059, 360177, 1080531, 2281121, 6843363, 20530089]

約数ペア:

[(1, 20530089), (3, 6843363), (9, 2281121), (19, 1080531), (57, 360177), (171, 120059), (211, 97299), (569, 36081), (633, 32433), (1707, 12027), (1899, 10811), (4009, 5121)]