20659824

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2707}}^1$

素因数の和:2774

約数の個数: 60

約数和(自身を含む): 58931496

約数和(自身を除く): 38271672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2707, 3816, 5414, 7632, 8121, 10828, 16242, 21656, 24363, 32484, 43312, 48726, 64968, 97452, 129936, 143471, 194904, 286942, 389808, 430413, 573884, 860826, 1147768, 1291239, 1721652, 2295536, 2582478, 3443304, 5164956, 6886608, 10329912, 20659824]

約数ペア:

[(1, 20659824), (2, 10329912), (3, 6886608), (4, 5164956), (6, 3443304), (8, 2582478), (9, 2295536), (12, 1721652), (16, 1291239), (18, 1147768), (24, 860826), (36, 573884), (48, 430413), (53, 389808), (72, 286942), (106, 194904), (144, 143471), (159, 129936), (212, 97452), (318, 64968), (424, 48726), (477, 43312), (636, 32484), (848, 24363), (954, 21656), (1272, 16242), (1908, 10828), (2544, 8121), (2707, 7632), (3816, 5414)]