20176859080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72060211}}^1$

素因数の和:72060229

約数の個数: 32

約数和(自身を含む): 51883352640

約数和(自身を除く): 31706493560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72060211, 144120422, 288240844, 360301055, 504421477, 576481688, 720602110, 1008842954, 1441204220, 2017685908, 2522107385, 2882408440, 4035371816, 5044214770, 10088429540, 20176859080]

約数ペア:

[(1, 20176859080), (2, 10088429540), (4, 5044214770), (5, 4035371816), (7, 2882408440), (8, 2522107385), (10, 2017685908), (14, 1441204220), (20, 1008842954), (28, 720602110), (35, 576481688), (40, 504421477), (56, 360301055), (70, 288240844), (140, 144120422), (280, 72060211)]