20061320

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1117}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 45279000

約数和(自身を除く): 25217680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1117, 1796, 2234, 2245, 3592, 4468, 4490, 5585, 8936, 8980, 11170, 17960, 22340, 44680, 501533, 1003066, 2006132, 2507665, 4012264, 5015330, 10030660, 20061320]

約数ペア:

[(1, 20061320), (2, 10030660), (4, 5015330), (5, 4012264), (8, 2507665), (10, 2006132), (20, 1003066), (40, 501533), (449, 44680), (898, 22340), (1117, 17960), (1796, 11170), (2234, 8980), (2245, 8936), (3592, 5585), (4468, 4490)]