20176818850

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{43963}}^1$

素因数の和:44179

約数の個数: 48

約数和(自身を含む): 38367910368

約数和(自身を除く): 18191091518

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 137, 274, 335, 670, 685, 1370, 1675, 3350, 3425, 6850, 9179, 18358, 43963, 45895, 87926, 91790, 219815, 229475, 439630, 458950, 1099075, 2198150, 2945521, 5891042, 6022931, 12045862, 14727605, 29455210, 30114655, 60229310, 73638025, 147276050, 150573275, 301146550, 403536377, 807072754, 2017681885, 4035363770, 10088409425, 20176818850]

約数ペア:

[(1, 20176818850), (2, 10088409425), (5, 4035363770), (10, 2017681885), (25, 807072754), (50, 403536377), (67, 301146550), (134, 150573275), (137, 147276050), (274, 73638025), (335, 60229310), (670, 30114655), (685, 29455210), (1370, 14727605), (1675, 12045862), (3350, 6022931), (3425, 5891042), (6850, 2945521), (9179, 2198150), (18358, 1099075), (43963, 458950), (45895, 439630), (87926, 229475), (91790, 219815)]