20886723

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16229}}^1$

素因数の和:16259

約数の個数: 24

約数和(自身を含む): 35446320

約数和(自身を除く): 14559597

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16229, 48687, 146061, 178519, 210977, 535557, 632931, 1606671, 1898793, 2320747, 6962241, 20886723]

約数ペア:

[(1, 20886723), (3, 6962241), (9, 2320747), (11, 1898793), (13, 1606671), (33, 632931), (39, 535557), (99, 210977), (117, 178519), (143, 146061), (429, 48687), (1287, 16229)]