16165420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18797}}^1$

素因数の和:18849

約数の個数: 24

約数和(自身を含む): 34738704

約数和(自身を除く): 18573284

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18797, 37594, 75188, 93985, 187970, 375940, 808271, 1616542, 3233084, 4041355, 8082710, 16165420]

約数ペア:

[(1, 16165420), (2, 8082710), (4, 4041355), (5, 3233084), (10, 1616542), (20, 808271), (43, 375940), (86, 187970), (172, 93985), (215, 75188), (430, 37594), (860, 18797)]