20814516

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{6217}}^1$

素因数の和:6261

約数の個数: 48

約数和(自身を含む): 55713280

約数和(自身を除く): 34898764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 108, 124, 186, 279, 372, 558, 837, 1116, 1674, 3348, 6217, 12434, 18651, 24868, 37302, 55953, 74604, 111906, 167859, 192727, 223812, 335718, 385454, 578181, 671436, 770908, 1156362, 1734543, 2312724, 3469086, 5203629, 6938172, 10407258, 20814516]

約数ペア:

[(1, 20814516), (2, 10407258), (3, 6938172), (4, 5203629), (6, 3469086), (9, 2312724), (12, 1734543), (18, 1156362), (27, 770908), (31, 671436), (36, 578181), (54, 385454), (62, 335718), (93, 223812), (108, 192727), (124, 167859), (186, 111906), (279, 74604), (372, 55953), (558, 37302), (837, 24868), (1116, 18651), (1674, 12434), (3348, 6217)]