20351121

素因数分解:

$3^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{829}}^1$

素因数の和:1013

約数の個数: 24

約数和(自身を含む): 31792320

約数和(自身を除く): 11441199

約数列:

[1, 3, 7, 21, 49, 147, 167, 501, 829, 1169, 2487, 3507, 5803, 8183, 17409, 24549, 40621, 121863, 138443, 415329, 969101, 2907303, 6783707, 20351121]

約数ペア:

[(1, 20351121), (3, 6783707), (7, 2907303), (21, 969101), (49, 415329), (147, 138443), (167, 121863), (501, 40621), (829, 24549), (1169, 17409), (2487, 8183), (3507, 5803)]