20804927590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{126037}}^1$

素因数の和:127032

約数の個数: 32

約数和(自身を含む): 39692895264

約数和(自身を除く): 18887967674

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 971, 1942, 4855, 9710, 16507, 33014, 82535, 126037, 165070, 252074, 630185, 1260370, 2142629, 4285258, 10713145, 21426290, 122381927, 244763854, 611909635, 1223819270, 2080492759, 4160985518, 10402463795, 20804927590]

約数ペア:

[(1, 20804927590), (2, 10402463795), (5, 4160985518), (10, 2080492759), (17, 1223819270), (34, 611909635), (85, 244763854), (170, 122381927), (971, 21426290), (1942, 10713145), (4855, 4285258), (9710, 2142629), (16507, 1260370), (33014, 630185), (82535, 252074), (126037, 165070)]