16821780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2017}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 47463360

約数和(自身を除く): 30641580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2017, 2085, 2780, 4034, 4170, 6051, 8068, 8340, 10085, 12102, 20170, 24204, 30255, 40340, 60510, 121020, 280363, 560726, 841089, 1121452, 1401815, 1682178, 2803630, 3364356, 4205445, 5607260, 8410890, 16821780]

約数ペア:

[(1, 16821780), (2, 8410890), (3, 5607260), (4, 4205445), (5, 3364356), (6, 2803630), (10, 1682178), (12, 1401815), (15, 1121452), (20, 841089), (30, 560726), (60, 280363), (139, 121020), (278, 60510), (417, 40340), (556, 30255), (695, 24204), (834, 20170), (1390, 12102), (1668, 10085), (2017, 8340), (2085, 8068), (2780, 6051), (4034, 4170)]