20807841608

素因数分解:

$2^3\times {\mathrm{2459}}^1\times {\mathrm{1057739}}^1$

素因数の和:1060204

約数の個数: 16

約数和(自身を含む): 39030606000

約数和(自身を除く): 18222764392

約数列:

[1, 2, 4, 8, 2459, 4918, 9836, 19672, 1057739, 2115478, 4230956, 8461912, 2600980201, 5201960402, 10403920804, 20807841608]

約数ペア:

[(1, 20807841608), (2, 10403920804), (4, 5201960402), (8, 2600980201), (2459, 8461912), (4918, 4230956), (9836, 2115478), (19672, 1057739)]