20399946

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2543}}^1$

素因数の和:2746

約数の個数: 32

約数和(自身を含む): 46891008

約数和(自身を除く): 26491062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 191, 382, 573, 1146, 1337, 2543, 2674, 4011, 5086, 7629, 8022, 15258, 17801, 35602, 53403, 106806, 485713, 971426, 1457139, 2914278, 3399991, 6799982, 10199973, 20399946]

約数ペア:

[(1, 20399946), (2, 10199973), (3, 6799982), (6, 3399991), (7, 2914278), (14, 1457139), (21, 971426), (42, 485713), (191, 106806), (382, 53403), (573, 35602), (1146, 17801), (1337, 15258), (2543, 8022), (2674, 7629), (4011, 5086)]