20199451685

素因数分解:

$5^1\times 7^1\times {\mathrm{2129}}^1\times {\mathrm{271079}}^1$

素因数の和:273220

約数の個数: 16

約数和(自身を含む): 27715219200

約数和(自身を除く): 7515767515

約数列:

[1, 5, 7, 35, 2129, 10645, 14903, 74515, 271079, 1355395, 1897553, 9487765, 577127191, 2885635955, 4039890337, 20199451685]

約数ペア:

[(1, 20199451685), (5, 4039890337), (7, 2885635955), (35, 577127191), (2129, 9487765), (10645, 1897553), (14903, 1355395), (74515, 271079)]