20004207

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11321}}^1$

素因数の和:11374

約数の個数: 16

約数和(自身を含む): 28984320

約数和(自身を除く): 8980113

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 11321, 33963, 215099, 350951, 645297, 1052853, 6668069, 20004207]

約数ペア:

[(1, 20004207), (3, 6668069), (19, 1052853), (31, 645297), (57, 350951), (93, 215099), (589, 33963), (1767, 11321)]