13689820

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1429}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 15138980

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1429, 1916, 2395, 2858, 4790, 5716, 7145, 9580, 14290, 28580, 684491, 1368982, 2737964, 3422455, 6844910, 13689820]

約数ペア:

[(1, 13689820), (2, 6844910), (4, 3422455), (5, 2737964), (10, 1368982), (20, 684491), (479, 28580), (958, 14290), (1429, 9580), (1916, 7145), (2395, 5716), (2858, 4790)]