20364780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{339413}}^1$

素因数の和:339425

約数の個数: 24

約数和(自身を含む): 57021552

約数和(自身を除く): 36656772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 339413, 678826, 1018239, 1357652, 1697065, 2036478, 3394130, 4072956, 5091195, 6788260, 10182390, 20364780]

約数ペア:

[(1, 20364780), (2, 10182390), (3, 6788260), (4, 5091195), (5, 4072956), (6, 3394130), (10, 2036478), (12, 1697065), (15, 1357652), (20, 1018239), (30, 678826), (60, 339413)]