20194271980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1\times {\mathrm{46171}}^1$

素因数の和:47350

約数の個数: 48

約数和(自身を含む): 44679720960

約数和(自身を除く): 24485448980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1151, 2302, 4604, 5755, 11510, 21869, 23020, 43738, 46171, 87476, 92342, 109345, 184684, 218690, 230855, 437380, 461710, 877249, 923420, 1754498, 3508996, 4386245, 8772490, 17544980, 53142821, 106285642, 212571284, 265714105, 531428210, 1009713599, 1062856420, 2019427198, 4038854396, 5048567995, 10097135990, 20194271980]

約数ペア:

[(1, 20194271980), (2, 10097135990), (4, 5048567995), (5, 4038854396), (10, 2019427198), (19, 1062856420), (20, 1009713599), (38, 531428210), (76, 265714105), (95, 212571284), (190, 106285642), (380, 53142821), (1151, 17544980), (2302, 8772490), (4604, 4386245), (5755, 3508996), (11510, 1754498), (21869, 923420), (23020, 877249), (43738, 461710), (46171, 437380), (87476, 230855), (92342, 218690), (109345, 184684)]