20348349

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6971}}^1$

素因数の和:7120

約数の個数: 16

約数和(自身を含む): 31234560

約数和(自身を除く): 10886211

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6971, 20913, 48797, 146391, 968969, 2906907, 6782783, 20348349]

約数ペア:

[(1, 20348349), (3, 6782783), (7, 2906907), (21, 968969), (139, 146391), (417, 48797), (973, 20913), (2919, 6971)]