20041742

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 36764928

約数和(自身を除く): 16723186

約数列:

[1, 2, 7, 14, 17, 34, 107, 119, 214, 238, 749, 787, 1498, 1574, 1819, 3638, 5509, 11018, 12733, 13379, 25466, 26758, 84209, 93653, 168418, 187306, 589463, 1178926, 1431553, 2863106, 10020871, 20041742]

約数ペア:

[(1, 20041742), (2, 10020871), (7, 2863106), (14, 1431553), (17, 1178926), (34, 589463), (107, 187306), (119, 168418), (214, 93653), (238, 84209), (749, 26758), (787, 25466), (1498, 13379), (1574, 12733), (1819, 11018), (3638, 5509)]