20647471

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{467}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 2939729

約数列:

[1, 13, 19, 179, 247, 467, 2327, 3401, 6071, 8873, 44213, 83593, 115349, 1086709, 1588267, 20647471]

約数ペア:

[(1, 20647471), (13, 1588267), (19, 1086709), (179, 115349), (247, 83593), (467, 44213), (2327, 8873), (3401, 6071)]