20996957506

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40534667}}^1$

素因数の和:40534713

約数の個数: 16

約数和(自身を含む): 36967617216

約数和(自身を除く): 15970659710

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40534667, 81069334, 283742669, 567485338, 1499782679, 2999565358, 10498478753, 20996957506]

約数ペア:

[(1, 20996957506), (2, 10498478753), (7, 2999565358), (14, 1499782679), (37, 567485338), (74, 283742669), (259, 81069334), (518, 40534667)]