20533704

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 53317440

約数和(自身を除く): 32783736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 101, 129, 172, 197, 202, 258, 303, 344, 394, 404, 516, 591, 606, 788, 808, 1032, 1182, 1212, 1576, 2364, 2424, 4343, 4728, 8471, 8686, 13029, 16942, 17372, 19897, 25413, 26058, 33884, 34744, 39794, 50826, 52116, 59691, 67768, 79588, 101652, 104232, 119382, 159176, 203304, 238764, 477528, 855571, 1711142, 2566713, 3422284, 5133426, 6844568, 10266852, 20533704]

約数ペア:

[(1, 20533704), (2, 10266852), (3, 6844568), (4, 5133426), (6, 3422284), (8, 2566713), (12, 1711142), (24, 855571), (43, 477528), (86, 238764), (101, 203304), (129, 159176), (172, 119382), (197, 104232), (202, 101652), (258, 79588), (303, 67768), (344, 59691), (394, 52116), (404, 50826), (516, 39794), (591, 34744), (606, 33884), (788, 26058), (808, 25413), (1032, 19897), (1182, 17372), (1212, 16942), (1576, 13029), (2364, 8686), (2424, 8471), (4343, 4728)]