20005080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3547}}^1$

素因数の和:3608

約数の個数: 64

約数和(自身を含む): 61309440

約数和(自身を除く): 41304360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3547, 5640, 7094, 10641, 14188, 17735, 21282, 28376, 35470, 42564, 53205, 70940, 85128, 106410, 141880, 166709, 212820, 333418, 425640, 500127, 666836, 833545, 1000254, 1333672, 1667090, 2000508, 2500635, 3334180, 4001016, 5001270, 6668360, 10002540, 20005080]

約数ペア:

[(1, 20005080), (2, 10002540), (3, 6668360), (4, 5001270), (5, 4001016), (6, 3334180), (8, 2500635), (10, 2000508), (12, 1667090), (15, 1333672), (20, 1000254), (24, 833545), (30, 666836), (40, 500127), (47, 425640), (60, 333418), (94, 212820), (120, 166709), (141, 141880), (188, 106410), (235, 85128), (282, 70940), (376, 53205), (470, 42564), (564, 35470), (705, 28376), (940, 21282), (1128, 17735), (1410, 14188), (1880, 10641), (2820, 7094), (3547, 5640)]