20545160

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1753}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 46410840

約数和(自身を除く): 25865680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 1753, 2344, 2930, 3506, 5860, 7012, 8765, 11720, 14024, 17530, 35060, 70120, 513629, 1027258, 2054516, 2568145, 4109032, 5136290, 10272580, 20545160]

約数ペア:

[(1, 20545160), (2, 10272580), (4, 5136290), (5, 4109032), (8, 2568145), (10, 2054516), (20, 1027258), (40, 513629), (293, 70120), (586, 35060), (1172, 17530), (1465, 14024), (1753, 11720), (2344, 8765), (2930, 7012), (3506, 5860)]