662772020

素因数分解:

$2^2\times 5^1\times {\mathrm{1663}}^1\times {\mathrm{19927}}^1$

素因数の和:21599

約数の個数: 24

約数和(自身を含む): 1392728064

約数和(自身を除く): 729956044

約数列:

[1, 2, 4, 5, 10, 20, 1663, 3326, 6652, 8315, 16630, 19927, 33260, 39854, 79708, 99635, 199270, 398540, 33138601, 66277202, 132554404, 165693005, 331386010, 662772020]

約数ペア:

[(1, 662772020), (2, 331386010), (4, 165693005), (5, 132554404), (10, 66277202), (20, 33138601), (1663, 398540), (3326, 199270), (6652, 99635), (8315, 79708), (16630, 39854), (19927, 33260)]