20318520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{169321}}^1$

素因数の和:169335

約数の個数: 32

約数和(自身を含む): 60955920

約数和(自身を除く): 40637400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 169321, 338642, 507963, 677284, 846605, 1015926, 1354568, 1693210, 2031852, 2539815, 3386420, 4063704, 5079630, 6772840, 10159260, 20318520]

約数ペア:

[(1, 20318520), (2, 10159260), (3, 6772840), (4, 5079630), (5, 4063704), (6, 3386420), (8, 2539815), (10, 2031852), (12, 1693210), (15, 1354568), (20, 1015926), (24, 846605), (30, 677284), (40, 507963), (60, 338642), (120, 169321)]