203173820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{93199}}^1$

素因数の和:93317

約数の個数: 24

約数和(自身を含む): 430584000

約数和(自身を除く): 227410180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 93199, 186398, 372796, 465995, 931990, 1863980, 10158691, 20317382, 40634764, 50793455, 101586910, 203173820]

約数ペア:

[(1, 203173820), (2, 101586910), (4, 50793455), (5, 40634764), (10, 20317382), (20, 10158691), (109, 1863980), (218, 931990), (436, 465995), (545, 372796), (1090, 186398), (2180, 93199)]