20277582

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26171058

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 89, 127, 138, 178, 254, 267, 299, 381, 534, 598, 762, 897, 1157, 1651, 1794, 2047, 2314, 2921, 3302, 3471, 4094, 4953, 5842, 6141, 6942, 8763, 9906, 11303, 12282, 17526, 22606, 26611, 33909, 37973, 53222, 67818, 75946, 79833, 113919, 146939, 159666, 227838, 259969, 293878, 440817, 519938, 779907, 881634, 1559814, 3379597, 6759194, 10138791, 20277582]

約数ペア:

[(1, 20277582), (2, 10138791), (3, 6759194), (6, 3379597), (13, 1559814), (23, 881634), (26, 779907), (39, 519938), (46, 440817), (69, 293878), (78, 259969), (89, 227838), (127, 159666), (138, 146939), (178, 113919), (254, 79833), (267, 75946), (299, 67818), (381, 53222), (534, 37973), (598, 33909), (762, 26611), (897, 22606), (1157, 17526), (1651, 12282), (1794, 11303), (2047, 9906), (2314, 8763), (2921, 6942), (3302, 6141), (3471, 5842), (4094, 4953)]