20996232

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 34040568

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 97, 116, 174, 194, 232, 291, 311, 348, 388, 582, 622, 696, 776, 933, 1164, 1244, 1866, 2328, 2488, 2813, 3732, 5626, 7464, 8439, 9019, 11252, 16878, 18038, 22504, 27057, 30167, 33756, 36076, 54114, 60334, 67512, 72152, 90501, 108228, 120668, 181002, 216456, 241336, 362004, 724008, 874843, 1749686, 2624529, 3499372, 5249058, 6998744, 10498116, 20996232]

約数ペア:

[(1, 20996232), (2, 10498116), (3, 6998744), (4, 5249058), (6, 3499372), (8, 2624529), (12, 1749686), (24, 874843), (29, 724008), (58, 362004), (87, 241336), (97, 216456), (116, 181002), (174, 120668), (194, 108228), (232, 90501), (291, 72152), (311, 67512), (348, 60334), (388, 54114), (582, 36076), (622, 33756), (696, 30167), (776, 27057), (933, 22504), (1164, 18038), (1244, 16878), (1866, 11252), (2328, 9019), (2488, 8439), (2813, 7464), (3732, 5626)]