20500875

素因数分解:

$3^2\times 5^3\times {\mathrm{18223}}^1$

素因数の和:18244

約数の個数: 24

約数和(自身を含む): 36958272

約数和(自身を除く): 16457397

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 18223, 54669, 91115, 164007, 273345, 455575, 820035, 1366725, 2277875, 4100175, 6833625, 20500875]

約数ペア:

[(1, 20500875), (3, 6833625), (5, 4100175), (9, 2277875), (15, 1366725), (25, 820035), (45, 455575), (75, 273345), (125, 164007), (225, 91115), (375, 54669), (1125, 18223)]