20155907555

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19858037}}^1$

素因数の和:19858078

約数の個数: 16

約数和(自身を含む): 28595574720

約数和(自身を除く): 8439667165

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19858037, 99290185, 139006259, 575883073, 695031295, 2879415365, 4031181511, 20155907555]

約数ペア:

[(1, 20155907555), (5, 4031181511), (7, 2879415365), (29, 695031295), (35, 575883073), (145, 139006259), (203, 99290185), (1015, 19858037)]