20440315

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18839}}^1$

素因数の和:18882

約数の個数: 16

約数和(自身を含む): 28938240

約数和(自身を除く): 8497925

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18839, 94195, 131873, 584009, 659365, 2920045, 4088063, 20440315]

約数ペア:

[(1, 20440315), (5, 4088063), (7, 2920045), (31, 659365), (35, 584009), (155, 131873), (217, 94195), (1085, 18839)]