20201621878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{3205589}}^1$

素因数の和:3205751

約数の個数: 16

約数和(自身を含む): 31850742240

約数和(自身を除く): 11649120362

約数列:

[1, 2, 23, 46, 137, 274, 3151, 6302, 3205589, 6411178, 73728547, 147457094, 439165693, 878331386, 10100810939, 20201621878]

約数ペア:

[(1, 20201621878), (2, 10100810939), (23, 878331386), (46, 439165693), (137, 147457094), (274, 73728547), (3151, 6411178), (6302, 3205589)]