20543570

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4903}}^1$

素因数の和:5329

約数の個数: 16

約数和(自身を含む): 37074240

約数和(自身を除く): 16530670

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 4903, 9806, 24515, 49030, 2054357, 4108714, 10271785, 20543570]

約数ペア:

[(1, 20543570), (2, 10271785), (5, 4108714), (10, 2054357), (419, 49030), (838, 24515), (2095, 9806), (4190, 4903)]