20842794

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1993}}^1$

素因数の和:2091

約数の個数: 48

約数和(自身を含む): 52258752

約数和(自身を除く): 31415958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 498, 581, 747, 1162, 1494, 1743, 1993, 3486, 3986, 5229, 5979, 10458, 11958, 13951, 17937, 27902, 35874, 41853, 83706, 125559, 165419, 251118, 330838, 496257, 992514, 1157933, 1488771, 2315866, 2977542, 3473799, 6947598, 10421397, 20842794]

約数ペア:

[(1, 20842794), (2, 10421397), (3, 6947598), (6, 3473799), (7, 2977542), (9, 2315866), (14, 1488771), (18, 1157933), (21, 992514), (42, 496257), (63, 330838), (83, 251118), (126, 165419), (166, 125559), (249, 83706), (498, 41853), (581, 35874), (747, 27902), (1162, 17937), (1494, 13951), (1743, 11958), (1993, 10458), (3486, 5979), (3986, 5229)]