20175458690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28416139}}^1$

素因数の和:28416217

約数の個数: 16

約数和(自身を含む): 36827317440

約数和(自身を除く): 16651858750

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28416139, 56832278, 142080695, 284161390, 2017545869, 4035091738, 10087729345, 20175458690]

約数ペア:

[(1, 20175458690), (2, 10087729345), (5, 4035091738), (10, 2017545869), (71, 284161390), (142, 142080695), (355, 56832278), (710, 28416139)]