20123366950

素因数分解:

$2^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{19489}}^1$

素因数の和:19801

約数の個数: 48

約数和(自身を含む): 37976966640

約数和(自身を除く): 17853599690

約数列:

[1, 2, 5, 10, 25, 50, 107, 193, 214, 386, 535, 965, 1070, 1930, 2675, 4825, 5350, 9650, 19489, 20651, 38978, 41302, 97445, 103255, 194890, 206510, 487225, 516275, 974450, 1032550, 2085323, 3761377, 4170646, 7522754, 10426615, 18806885, 20853230, 37613770, 52133075, 94034425, 104266150, 188068850, 402467339, 804934678, 2012336695, 4024673390, 10061683475, 20123366950]

約数ペア:

[(1, 20123366950), (2, 10061683475), (5, 4024673390), (10, 2012336695), (25, 804934678), (50, 402467339), (107, 188068850), (193, 104266150), (214, 94034425), (386, 52133075), (535, 37613770), (965, 20853230), (1070, 18806885), (1930, 10426615), (2675, 7522754), (4825, 4170646), (5350, 3761377), (9650, 2085323), (19489, 1032550), (20651, 974450), (38978, 516275), (41302, 487225), (97445, 206510), (103255, 194890)]