20146725

素因数分解:

$3^4\times 5^2\times {\mathrm{9949}}^1$

素因数の和:9971

約数の個数: 30

約数和(自身を含む): 37322450

約数和(自身を除く): 17175725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9949, 29847, 49745, 89541, 149235, 248725, 268623, 447705, 746175, 805869, 1343115, 2238525, 4029345, 6715575, 20146725]

約数ペア:

[(1, 20146725), (3, 6715575), (5, 4029345), (9, 2238525), (15, 1343115), (25, 805869), (27, 746175), (45, 447705), (75, 268623), (81, 248725), (135, 149235), (225, 89541), (405, 49745), (675, 29847), (2025, 9949)]