20183360721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{396943}}^1$

素因数の和:397960

約数の個数: 16

約数和(自身を含む): 28522808064

約数和(自身を除く): 8339447343

約数列:

[1, 3, 17, 51, 997, 2991, 16949, 50847, 396943, 1190829, 6748031, 20244093, 395752171, 1187256513, 6727786907, 20183360721]

約数ペア:

[(1, 20183360721), (3, 6727786907), (17, 1187256513), (51, 395752171), (997, 20244093), (2991, 6748031), (16949, 1190829), (50847, 396943)]