20754327

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11501673

約数列:

[1, 3, 11, 19, 33, 57, 79, 209, 237, 419, 627, 869, 1257, 1501, 2607, 4503, 4609, 7961, 13827, 16511, 23883, 33101, 49533, 87571, 99303, 262713, 364111, 628919, 1092333, 1886757, 6918109, 20754327]

約数ペア:

[(1, 20754327), (3, 6918109), (11, 1886757), (19, 1092333), (33, 628919), (57, 364111), (79, 262713), (209, 99303), (237, 87571), (419, 49533), (627, 33101), (869, 23883), (1257, 16511), (1501, 13827), (2607, 7961), (4503, 4609)]