19972860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332881}}^1$

素因数の和:332893

約数の個数: 24

約数和(自身を含む): 55924176

約数和(自身を除く): 35951316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332881, 665762, 998643, 1331524, 1664405, 1997286, 3328810, 3994572, 4993215, 6657620, 9986430, 19972860]

約数ペア:

[(1, 19972860), (2, 9986430), (3, 6657620), (4, 4993215), (5, 3994572), (6, 3328810), (10, 1997286), (12, 1664405), (15, 1331524), (20, 998643), (30, 665762), (60, 332881)]