20284209

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12778191

約数列:

[1, 3, 9, 11, 27, 33, 99, 163, 297, 419, 489, 1257, 1467, 1793, 3771, 4401, 4609, 5379, 11313, 13827, 16137, 41481, 48411, 68297, 124443, 204891, 614673, 751267, 1844019, 2253801, 6761403, 20284209]

約数ペア:

[(1, 20284209), (3, 6761403), (9, 2253801), (11, 1844019), (27, 751267), (33, 614673), (99, 204891), (163, 124443), (297, 68297), (419, 48411), (489, 41481), (1257, 16137), (1467, 13827), (1793, 11313), (3771, 5379), (4401, 4609)]