20472516

素因数分解:

$2^2\times 3^2\times {\mathrm{277}}^1\times {\mathrm{2053}}^1$

素因数の和:2340

約数の個数: 36

約数和(自身を含む): 51962092

約数和(自身を除く): 31489576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 277, 554, 831, 1108, 1662, 2053, 2493, 3324, 4106, 4986, 6159, 8212, 9972, 12318, 18477, 24636, 36954, 73908, 568681, 1137362, 1706043, 2274724, 3412086, 5118129, 6824172, 10236258, 20472516]

約数ペア:

[(1, 20472516), (2, 10236258), (3, 6824172), (4, 5118129), (6, 3412086), (9, 2274724), (12, 1706043), (18, 1137362), (36, 568681), (277, 73908), (554, 36954), (831, 24636), (1108, 18477), (1662, 12318), (2053, 9972), (2493, 8212), (3324, 6159), (4106, 4986)]