15921380

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2281}}^1$

素因数の和:2639

約数の個数: 24

約数和(自身を含む): 33545400

約数和(自身を除く): 17624020

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 2281, 3490, 4562, 6980, 9124, 11405, 22810, 45620, 796069, 1592138, 3184276, 3980345, 7960690, 15921380]

約数ペア:

[(1, 15921380), (2, 7960690), (4, 3980345), (5, 3184276), (10, 1592138), (20, 796069), (349, 45620), (698, 22810), (1396, 11405), (1745, 9124), (2281, 6980), (3490, 4562)]