20157420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{335957}}^1$

素因数の和:335969

約数の個数: 24

約数和(自身を含む): 56440944

約数和(自身を除く): 36283524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 335957, 671914, 1007871, 1343828, 1679785, 2015742, 3359570, 4031484, 5039355, 6719140, 10078710, 20157420]

約数ペア:

[(1, 20157420), (2, 10078710), (3, 6719140), (4, 5039355), (5, 4031484), (6, 3359570), (10, 2015742), (12, 1679785), (15, 1343828), (20, 1007871), (30, 671914), (60, 335957)]