20117776917

素因数分解:

$3^1\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{660227}}^1$

素因数の和:661688

約数の個数: 16

約数和(自身を含む): 30676833792

約数和(自身を除く): 10559056875

約数列:

[1, 3, 7, 21, 1451, 4353, 10157, 30471, 660227, 1980681, 4621589, 13864767, 957989377, 2873968131, 6705925639, 20117776917]

約数ペア:

[(1, 20117776917), (3, 6705925639), (7, 2873968131), (21, 957989377), (1451, 13864767), (4353, 4621589), (10157, 1980681), (30471, 660227)]