20037556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 24378956

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 971, 1474, 1876, 1942, 2948, 3884, 5159, 6797, 10318, 10681, 13594, 20636, 21362, 27188, 42724, 65057, 74767, 130114, 149534, 260228, 299068, 455399, 715627, 910798, 1431254, 1821596, 2862508, 5009389, 10018778, 20037556]

約数ペア:

[(1, 20037556), (2, 10018778), (4, 5009389), (7, 2862508), (11, 1821596), (14, 1431254), (22, 910798), (28, 715627), (44, 455399), (67, 299068), (77, 260228), (134, 149534), (154, 130114), (268, 74767), (308, 65057), (469, 42724), (737, 27188), (938, 21362), (971, 20636), (1474, 13594), (1876, 10681), (1942, 10318), (2948, 6797), (3884, 5159)]