20772216

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2801}}^1$

素因数の和:2916

約数の個数: 48

約数和(自身を含む): 56824560

約数和(自身を除く): 36052344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2801, 3708, 5602, 7416, 8403, 11204, 16806, 22408, 25209, 33612, 50418, 67224, 100836, 201672, 288503, 577006, 865509, 1154012, 1731018, 2308024, 2596527, 3462036, 5193054, 6924072, 10386108, 20772216]

約数ペア:

[(1, 20772216), (2, 10386108), (3, 6924072), (4, 5193054), (6, 3462036), (8, 2596527), (9, 2308024), (12, 1731018), (18, 1154012), (24, 865509), (36, 577006), (72, 288503), (103, 201672), (206, 100836), (309, 67224), (412, 50418), (618, 33612), (824, 25209), (927, 22408), (1236, 16806), (1854, 11204), (2472, 8403), (2801, 7416), (3708, 5602)]