20777256

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{2237}}^1$

素因数の和:2295

約数の個数: 64

約数和(自身を含む): 59083200

約数和(自身を除く): 38305944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 108, 129, 172, 216, 258, 344, 387, 516, 774, 1032, 1161, 1548, 2237, 2322, 3096, 4474, 4644, 6711, 8948, 9288, 13422, 17896, 20133, 26844, 40266, 53688, 60399, 80532, 96191, 120798, 161064, 192382, 241596, 288573, 384764, 483192, 577146, 769528, 865719, 1154292, 1731438, 2308584, 2597157, 3462876, 5194314, 6925752, 10388628, 20777256]

約数ペア:

[(1, 20777256), (2, 10388628), (3, 6925752), (4, 5194314), (6, 3462876), (8, 2597157), (9, 2308584), (12, 1731438), (18, 1154292), (24, 865719), (27, 769528), (36, 577146), (43, 483192), (54, 384764), (72, 288573), (86, 241596), (108, 192382), (129, 161064), (172, 120798), (216, 96191), (258, 80532), (344, 60399), (387, 53688), (516, 40266), (774, 26844), (1032, 20133), (1161, 17896), (1548, 13422), (2237, 9288), (2322, 8948), (3096, 6711), (4474, 4644)]