20037800

素因数分解:

$2^3\times 5^2\times {\mathrm{100189}}^1$

素因数の和:100205

約数の個数: 24

約数和(自身を含む): 46588350

約数和(自身を除く): 26550550

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100189, 200378, 400756, 500945, 801512, 1001890, 2003780, 2504725, 4007560, 5009450, 10018900, 20037800]

約数ペア:

[(1, 20037800), (2, 10018900), (4, 5009450), (5, 4007560), (8, 2504725), (10, 2003780), (20, 1001890), (25, 801512), (40, 500945), (50, 400756), (100, 200378), (200, 100189)]