20125965170

素因数分解:

$2^1\times 5^1\times {\mathrm{20431}}^1\times {\mathrm{98507}}^1$

素因数の和:118945

約数の個数: 16

約数和(自身を含む): 36228878208

約数和(自身を除く): 16102913038

約数列:

[1, 2, 5, 10, 20431, 40862, 98507, 102155, 197014, 204310, 492535, 985070, 2012596517, 4025193034, 10062982585, 20125965170]

約数ペア:

[(1, 20125965170), (2, 10062982585), (5, 4025193034), (10, 2012596517), (20431, 985070), (40862, 492535), (98507, 204310), (102155, 197014)]