20418414

素因数分解:

$2^1\times 3^1\times {\mathrm{641}}^1\times {\mathrm{5309}}^1$

素因数の和:5955

約数の個数: 16

約数和(自身を含む): 40908240

約数和(自身を除く): 20489826

約数列:

[1, 2, 3, 6, 641, 1282, 1923, 3846, 5309, 10618, 15927, 31854, 3403069, 6806138, 10209207, 20418414]

約数ペア:

[(1, 20418414), (2, 10209207), (3, 6806138), (6, 3403069), (641, 31854), (1282, 15927), (1923, 10618), (3846, 5309)]