20202890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106331}}^1$

素因数の和:106357

約数の個数: 16

約数和(自身を含む): 38279520

約数和(自身を除く): 18076630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 106331, 212662, 531655, 1063310, 2020289, 4040578, 10101445, 20202890]

約数ペア:

[(1, 20202890), (2, 10101445), (5, 4040578), (10, 2020289), (19, 1063310), (38, 531655), (95, 212662), (190, 106331)]