20735337

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13907}}^1$

素因数の和:13988

約数の個数: 16

約数和(自身を含む): 32044032

約数和(自身を除く): 11308695

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 13907, 41721, 97349, 292047, 987397, 2962191, 6911779, 20735337]

約数ペア:

[(1, 20735337), (3, 6911779), (7, 2962191), (21, 987397), (71, 292047), (213, 97349), (497, 41721), (1491, 13907)]