20187780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{336463}}^1$

素因数の和:336475

約数の個数: 24

約数和(自身を含む): 56525952

約数和(自身を除く): 36338172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 336463, 672926, 1009389, 1345852, 1682315, 2018778, 3364630, 4037556, 5046945, 6729260, 10093890, 20187780]

約数ペア:

[(1, 20187780), (2, 10093890), (3, 6729260), (4, 5046945), (5, 4037556), (6, 3364630), (10, 2018778), (12, 1682315), (15, 1345852), (20, 1009389), (30, 672926), (60, 336463)]