20805300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23117}}^1$

素因数の和:23137

約数の個数: 54

約数和(自身を含む): 65215878

約数和(自身を除く): 44410578

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23117, 46234, 69351, 92468, 115585, 138702, 208053, 231170, 277404, 346755, 416106, 462340, 577925, 693510, 832212, 1040265, 1155850, 1387020, 1733775, 2080530, 2311700, 3467550, 4161060, 5201325, 6935100, 10402650, 20805300]

約数ペア:

[(1, 20805300), (2, 10402650), (3, 6935100), (4, 5201325), (5, 4161060), (6, 3467550), (9, 2311700), (10, 2080530), (12, 1733775), (15, 1387020), (18, 1155850), (20, 1040265), (25, 832212), (30, 693510), (36, 577925), (45, 462340), (50, 416106), (60, 346755), (75, 277404), (90, 231170), (100, 208053), (150, 138702), (180, 115585), (225, 92468), (300, 69351), (450, 46234), (900, 23117)]