20901018

素因数分解:

$2^1\times 3^1\times {\mathrm{821}}^1\times {\mathrm{4243}}^1$

素因数の和:5069

約数の個数: 16

約数和(自身を含む): 41862816

約数和(自身を除く): 20961798

約数列:

[1, 2, 3, 6, 821, 1642, 2463, 4243, 4926, 8486, 12729, 25458, 3483503, 6967006, 10450509, 20901018]

約数ペア:

[(1, 20901018), (2, 10450509), (3, 6967006), (6, 3483503), (821, 25458), (1642, 12729), (2463, 8486), (4243, 4926)]