20673590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1413

約数の個数: 48

約数和(自身を含む): 44717184

約数和(自身を除く): 24043594

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1361, 1519, 2170, 2722, 3038, 6805, 7595, 9527, 13610, 15190, 19054, 42191, 47635, 66689, 84382, 95270, 133378, 210955, 295337, 333445, 421910, 590674, 666890, 1476685, 2067359, 2953370, 4134718, 10336795, 20673590]

約数ペア:

[(1, 20673590), (2, 10336795), (5, 4134718), (7, 2953370), (10, 2067359), (14, 1476685), (31, 666890), (35, 590674), (49, 421910), (62, 333445), (70, 295337), (98, 210955), (155, 133378), (217, 95270), (245, 84382), (310, 66689), (434, 47635), (490, 42191), (1085, 19054), (1361, 15190), (1519, 13610), (2170, 9527), (2722, 7595), (3038, 6805)]