20945772

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{20063}}^1$

素因数の和:20102

約数の個数: 36

約数和(自身を含む): 54774720

約数和(自身を除く): 33828948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 20063, 40126, 60189, 80252, 120378, 180567, 240756, 361134, 581827, 722268, 1163654, 1745481, 2327308, 3490962, 5236443, 6981924, 10472886, 20945772]

約数ペア:

[(1, 20945772), (2, 10472886), (3, 6981924), (4, 5236443), (6, 3490962), (9, 2327308), (12, 1745481), (18, 1163654), (29, 722268), (36, 581827), (58, 361134), (87, 240756), (116, 180567), (174, 120378), (261, 80252), (348, 60189), (522, 40126), (1044, 20063)]