20396026

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 15730694

約数列:

[1, 2, 7, 14, 47, 94, 139, 223, 278, 329, 446, 658, 973, 1561, 1946, 3122, 6533, 10481, 13066, 20962, 30997, 45731, 61994, 73367, 91462, 146734, 216979, 433958, 1456859, 2913718, 10198013, 20396026]

約数ペア:

[(1, 20396026), (2, 10198013), (7, 2913718), (14, 1456859), (47, 433958), (94, 216979), (139, 146734), (223, 91462), (278, 73367), (329, 61994), (446, 45731), (658, 30997), (973, 20962), (1561, 13066), (1946, 10481), (3122, 6533)]