20184760

素因数分解:

$2^3\times 5^1\times {\mathrm{504619}}^1$

素因数の和:504630

約数の個数: 16

約数和(自身を含む): 45415800

約数和(自身を除く): 25231040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504619, 1009238, 2018476, 2523095, 4036952, 5046190, 10092380, 20184760]

約数ペア:

[(1, 20184760), (2, 10092380), (4, 5046190), (5, 4036952), (8, 2523095), (10, 2018476), (20, 1009238), (40, 504619)]