13604020

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1949}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 28665000

約数和(自身を除く): 15060980

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 1949, 3490, 3898, 6980, 7796, 9745, 19490, 38980, 680201, 1360402, 2720804, 3401005, 6802010, 13604020]

約数ペア:

[(1, 13604020), (2, 6802010), (4, 3401005), (5, 2720804), (10, 1360402), (20, 680201), (349, 38980), (698, 19490), (1396, 9745), (1745, 7796), (1949, 6980), (3490, 3898)]