20998020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349967}}^1$

素因数の和:349979

約数の個数: 24

約数和(自身を含む): 58794624

約数和(自身を除く): 37796604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349967, 699934, 1049901, 1399868, 1749835, 2099802, 3499670, 4199604, 5249505, 6999340, 10499010, 20998020]

約数ペア:

[(1, 20998020), (2, 10499010), (3, 6999340), (4, 5249505), (5, 4199604), (6, 3499670), (10, 2099802), (12, 1749835), (15, 1399868), (20, 1049901), (30, 699934), (60, 349967)]