20044970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1223}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19612630

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 149, 298, 745, 1223, 1490, 1639, 2446, 3278, 6115, 8195, 12230, 13453, 16390, 26906, 67265, 134530, 182227, 364454, 911135, 1822270, 2004497, 4008994, 10022485, 20044970]

約数ペア:

[(1, 20044970), (2, 10022485), (5, 4008994), (10, 2004497), (11, 1822270), (22, 911135), (55, 364454), (110, 182227), (149, 134530), (298, 67265), (745, 26906), (1223, 16390), (1490, 13453), (1639, 12230), (2446, 8195), (3278, 6115)]