20199256240

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2234431}}^1$

素因数の和:2234557

約数の個数: 40

約数和(自身を含む): 47378896128

約数和(自身を除く): 27179639888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 2234431, 4468862, 8937724, 11172155, 17875448, 22344310, 35750896, 44688620, 89377240, 178754480, 252490703, 504981406, 1009962812, 1262453515, 2019925624, 2524907030, 4039851248, 5049814060, 10099628120, 20199256240]

約数ペア:

[(1, 20199256240), (2, 10099628120), (4, 5049814060), (5, 4039851248), (8, 2524907030), (10, 2019925624), (16, 1262453515), (20, 1009962812), (40, 504981406), (80, 252490703), (113, 178754480), (226, 89377240), (452, 44688620), (565, 35750896), (904, 22344310), (1130, 17875448), (1808, 11172155), (2260, 8937724), (4520, 4468862), (9040, 2234431)]