15894020

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1217}}^1$

素因数の和:1879

約数の個数: 24

約数和(自身を含む): 33456024

約数和(自身を除く): 17562004

約数列:

[1, 2, 4, 5, 10, 20, 653, 1217, 1306, 2434, 2612, 3265, 4868, 6085, 6530, 12170, 13060, 24340, 794701, 1589402, 3178804, 3973505, 7947010, 15894020]

約数ペア:

[(1, 15894020), (2, 7947010), (4, 3973505), (5, 3178804), (10, 1589402), (20, 794701), (653, 24340), (1217, 13060), (1306, 12170), (2434, 6530), (2612, 6085), (3265, 4868)]