20123181

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{57331}}^1$

素因数の和:57353

約数の個数: 16

約数和(自身を含む): 32105920

約数和(自身を除く): 11982739

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 57331, 171993, 515979, 745303, 1547937, 2235909, 6707727, 20123181]

約数ペア:

[(1, 20123181), (3, 6707727), (9, 2235909), (13, 1547937), (27, 745303), (39, 515979), (117, 171993), (351, 57331)]