20812209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{607}}^1\times {\mathrm{1039}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 30351360

約数和(自身を除く): 9539151

約数列:

[1, 3, 11, 33, 607, 1039, 1821, 3117, 6677, 11429, 20031, 34287, 630673, 1892019, 6937403, 20812209]

約数ペア:

[(1, 20812209), (3, 6937403), (11, 1892019), (33, 630673), (607, 34287), (1039, 20031), (1821, 11429), (3117, 6677)]