20530782

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1063}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 47305440

約数和(自身を除く): 26774658

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 1063, 1073, 2126, 2146, 3189, 3219, 6378, 6438, 9567, 9657, 19134, 19314, 30827, 39331, 61654, 78662, 92481, 117993, 184962, 235986, 277443, 353979, 554886, 707958, 1140599, 2281198, 3421797, 6843594, 10265391, 20530782]

約数ペア:

[(1, 20530782), (2, 10265391), (3, 6843594), (6, 3421797), (9, 2281198), (18, 1140599), (29, 707958), (37, 554886), (58, 353979), (74, 277443), (87, 235986), (111, 184962), (174, 117993), (222, 92481), (261, 78662), (333, 61654), (522, 39331), (666, 30827), (1063, 19314), (1073, 19134), (2126, 9657), (2146, 9567), (3189, 6438), (3219, 6378)]