204070940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{248867}}^1$

素因数の和:248917

約数の個数: 24

約数和(自身を含む): 439003152

約数和(自身を除く): 234932212

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 248867, 497734, 995468, 1244335, 2488670, 4977340, 10203547, 20407094, 40814188, 51017735, 102035470, 204070940]

約数ペア:

[(1, 204070940), (2, 102035470), (4, 51017735), (5, 40814188), (10, 20407094), (20, 10203547), (41, 4977340), (82, 2488670), (164, 1244335), (205, 995468), (410, 497734), (820, 248867)]