19720830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{657361}}^1$

素因数の和:657371

約数の個数: 16

約数和(自身を含む): 47330064

約数和(自身を除く): 27609234

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 657361, 1314722, 1972083, 3286805, 3944166, 6573610, 9860415, 19720830]

約数ペア:

[(1, 19720830), (2, 9860415), (3, 6573610), (5, 3944166), (6, 3286805), (10, 1972083), (15, 1314722), (30, 657361)]