20479833

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5591}}^1$

素因数の和:5645

約数の個数: 24

約数和(自身を含む): 33149376

約数和(自身を除く): 12669543

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5591, 16773, 50319, 61501, 184503, 206867, 553509, 620601, 1861803, 2275537, 6826611, 20479833]

約数ペア:

[(1, 20479833), (3, 6826611), (9, 2275537), (11, 1861803), (33, 620601), (37, 553509), (99, 206867), (111, 184503), (333, 61501), (407, 50319), (1221, 16773), (3663, 5591)]