20671503

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{7307}}^1$

素因数の和:7374

約数の個数: 16

約数和(自身を含む): 29465856

約数和(自身を除く): 8794353

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 7307, 21921, 168061, 299587, 504183, 898761, 6890501, 20671503]

約数ペア:

[(1, 20671503), (3, 6890501), (23, 898761), (41, 504183), (69, 299587), (123, 168061), (943, 21921), (2829, 7307)]