20199290965

素因数分解:

$5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1285351}}^1$

素因数の和:1285812

約数の個数: 16

約数和(自身を含む): 27763603200

約数和(自身を除く): 7564312235

約数列:

[1, 5, 7, 35, 449, 2245, 3143, 15715, 1285351, 6426755, 8997457, 44987285, 577122599, 2885612995, 4039858193, 20199290965]

約数ペア:

[(1, 20199290965), (5, 4039858193), (7, 2885612995), (35, 577122599), (449, 44987285), (2245, 8997457), (3143, 6426755), (15715, 1285351)]