20196799160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7111549}}^1$

素因数の和:7111631

約数の個数: 32

約数和(自身を含む): 46082844000

約数和(自身を除く): 25886044840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 7111549, 14223098, 28446196, 35557745, 56892392, 71115490, 142230980, 284461960, 504919979, 1009839958, 2019679916, 2524599895, 4039359832, 5049199790, 10098399580, 20196799160]

約数ペア:

[(1, 20196799160), (2, 10098399580), (4, 5049199790), (5, 4039359832), (8, 2524599895), (10, 2019679916), (20, 1009839958), (40, 504919979), (71, 284461960), (142, 142230980), (284, 71115490), (355, 56892392), (568, 35557745), (710, 28446196), (1420, 14223098), (2840, 7111549)]