20101323

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 30511872

約数和(自身を除く): 10410549

約数列:

[1, 3, 11, 33, 37, 101, 111, 163, 303, 407, 489, 1111, 1221, 1793, 3333, 3737, 5379, 6031, 11211, 16463, 18093, 41107, 49389, 66341, 123321, 181093, 199023, 543279, 609131, 1827393, 6700441, 20101323]

約数ペア:

[(1, 20101323), (3, 6700441), (11, 1827393), (33, 609131), (37, 543279), (101, 199023), (111, 181093), (163, 123321), (303, 66341), (407, 49389), (489, 41107), (1111, 18093), (1221, 16463), (1793, 11211), (3333, 6031), (3737, 5379)]