20464185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6287}}^1$

素因数の和:6333

約数の個数: 32

約数和(自身を含む): 38633472

約数和(自身を除く): 18169287

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6287, 18861, 31435, 44009, 94305, 132027, 194897, 220045, 584691, 660135, 974485, 1364279, 2923455, 4092837, 6821395, 20464185]

約数ペア:

[(1, 20464185), (3, 6821395), (5, 4092837), (7, 2923455), (15, 1364279), (21, 974485), (31, 660135), (35, 584691), (93, 220045), (105, 194897), (155, 132027), (217, 94305), (465, 44009), (651, 31435), (1085, 18861), (3255, 6287)]