19948020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332467}}^1$

素因数の和:332479

約数の個数: 24

約数和(自身を含む): 55854624

約数和(自身を除く): 35906604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332467, 664934, 997401, 1329868, 1662335, 1994802, 3324670, 3989604, 4987005, 6649340, 9974010, 19948020]

約数ペア:

[(1, 19948020), (2, 9974010), (3, 6649340), (4, 4987005), (5, 3989604), (6, 3324670), (10, 1994802), (12, 1662335), (15, 1329868), (20, 997401), (30, 664934), (60, 332467)]