20572728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 56592000

約数和(自身を除く): 36019272

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 149, 264, 298, 447, 523, 596, 894, 1046, 1192, 1569, 1639, 1788, 2092, 3138, 3278, 3576, 4184, 4917, 5753, 6276, 6556, 9834, 11506, 12552, 13112, 17259, 19668, 23012, 34518, 39336, 46024, 69036, 77927, 138072, 155854, 233781, 311708, 467562, 623416, 857197, 935124, 1714394, 1870248, 2571591, 3428788, 5143182, 6857576, 10286364, 20572728]

約数ペア:

[(1, 20572728), (2, 10286364), (3, 6857576), (4, 5143182), (6, 3428788), (8, 2571591), (11, 1870248), (12, 1714394), (22, 935124), (24, 857197), (33, 623416), (44, 467562), (66, 311708), (88, 233781), (132, 155854), (149, 138072), (264, 77927), (298, 69036), (447, 46024), (523, 39336), (596, 34518), (894, 23012), (1046, 19668), (1192, 17259), (1569, 13112), (1639, 12552), (1788, 11506), (2092, 9834), (3138, 6556), (3278, 6276), (3576, 5753), (4184, 4917)]