20308197

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10627}}^1$

素因数の和:10657

約数の個数: 24

約数和(自身を含む): 33924576

約数和(自身を除く): 13616379

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10627, 31881, 74389, 138151, 223167, 414453, 520723, 967057, 1562169, 2901171, 6769399, 20308197]

約数ペア:

[(1, 20308197), (3, 6769399), (7, 2901171), (13, 1562169), (21, 967057), (39, 520723), (49, 414453), (91, 223167), (147, 138151), (273, 74389), (637, 31881), (1911, 10627)]