2103707020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1021217}}^1$

素因数の和:1021329

約数の個数: 24

約数和(自身を含む): 4460680224

約数和(自身を除く): 2356973204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 1021217, 2042434, 4084868, 5106085, 10212170, 20424340, 105185351, 210370702, 420741404, 525926755, 1051853510, 2103707020]

約数ペア:

[(1, 2103707020), (2, 1051853510), (4, 525926755), (5, 420741404), (10, 210370702), (20, 105185351), (103, 20424340), (206, 10212170), (412, 5106085), (515, 4084868), (1030, 2042434), (2060, 1021217)]