20756148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2399}}^1$

素因数の和:2516

約数の個数: 48

約数和(自身を含む): 55910400

約数和(自身を除く): 35154252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2399, 2884, 4326, 4798, 7197, 8652, 9596, 14394, 16793, 28788, 33586, 50379, 67172, 100758, 201516, 247097, 494194, 741291, 988388, 1482582, 1729679, 2965164, 3459358, 5189037, 6918716, 10378074, 20756148]

約数ペア:

[(1, 20756148), (2, 10378074), (3, 6918716), (4, 5189037), (6, 3459358), (7, 2965164), (12, 1729679), (14, 1482582), (21, 988388), (28, 741291), (42, 494194), (84, 247097), (103, 201516), (206, 100758), (309, 67172), (412, 50379), (618, 33586), (721, 28788), (1236, 16793), (1442, 14394), (2163, 9596), (2399, 8652), (2884, 7197), (4326, 4798)]