20779002

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^2\times {\mathrm{229}}^1$

素因数の和:379

約数の個数: 36

約数和(自身を含む): 45863610

約数和(自身を除く): 25084608

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 229, 426, 458, 639, 687, 1278, 1374, 2061, 4122, 5041, 10082, 15123, 16259, 30246, 32518, 45369, 48777, 90738, 97554, 146331, 292662, 1154389, 2308778, 3463167, 6926334, 10389501, 20779002]

約数ペア:

[(1, 20779002), (2, 10389501), (3, 6926334), (6, 3463167), (9, 2308778), (18, 1154389), (71, 292662), (142, 146331), (213, 97554), (229, 90738), (426, 48777), (458, 45369), (639, 32518), (687, 30246), (1278, 16259), (1374, 15123), (2061, 10082), (4122, 5041)]