20178013324

素因数分解:

$2^2\times 7^1\times {\mathrm{720643333}}^1$

素因数の和:720643344

約数の個数: 12

約数和(自身を含む): 40356026704

約数和(自身を除く): 20178013380

約数列:

[1, 2, 4, 7, 14, 28, 720643333, 1441286666, 2882573332, 5044503331, 10089006662, 20178013324]

約数ペア:

[(1, 20178013324), (2, 10089006662), (4, 5044503331), (7, 2882573332), (14, 1441286666), (28, 720643333)]