20019990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{667333}}^1$

素因数の和:667343

約数の個数: 16

約数和(自身を含む): 48048048

約数和(自身を除く): 28028058

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 667333, 1334666, 2001999, 3336665, 4003998, 6673330, 10009995, 20019990]

約数ペア:

[(1, 20019990), (2, 10009995), (3, 6673330), (5, 4003998), (6, 3336665), (10, 2001999), (15, 1334666), (30, 667333)]