20285991

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12776409

約数列:

[1, 3, 9, 11, 27, 33, 99, 167, 297, 409, 501, 1227, 1503, 1837, 3681, 4499, 4509, 5511, 11043, 13497, 16533, 40491, 49599, 68303, 121473, 204909, 614727, 751333, 1844181, 2253999, 6761997, 20285991]

約数ペア:

[(1, 20285991), (3, 6761997), (9, 2253999), (11, 1844181), (27, 751333), (33, 614727), (99, 204909), (167, 121473), (297, 68303), (409, 49599), (501, 40491), (1227, 16533), (1503, 13497), (1837, 11043), (3681, 5511), (4499, 4509)]