20396580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339943}}^1$

素因数の和:339955

約数の個数: 24

約数和(自身を含む): 57110592

約数和(自身を除く): 36714012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339943, 679886, 1019829, 1359772, 1699715, 2039658, 3399430, 4079316, 5099145, 6798860, 10198290, 20396580]

約数ペア:

[(1, 20396580), (2, 10198290), (3, 6798860), (4, 5099145), (5, 4079316), (6, 3399430), (10, 2039658), (12, 1699715), (15, 1359772), (20, 1019829), (30, 679886), (60, 339943)]