20591510

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6221}}^1$

素因数の和:6559

約数の個数: 16

約数和(自身を含む): 37182672

約数和(自身を除く): 16591162

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 6221, 12442, 31105, 62210, 2059151, 4118302, 10295755, 20591510]

約数ペア:

[(1, 20591510), (2, 10295755), (5, 4118302), (10, 2059151), (331, 62210), (662, 31105), (1655, 12442), (3310, 6221)]