20621670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{687389}}^1$

素因数の和:687399

約数の個数: 16

約数和(自身を含む): 49492080

約数和(自身を除く): 28870410

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 687389, 1374778, 2062167, 3436945, 4124334, 6873890, 10310835, 20621670]

約数ペア:

[(1, 20621670), (2, 10310835), (3, 6873890), (5, 4124334), (6, 3436945), (10, 2062167), (15, 1374778), (30, 687389)]