20244875

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1361}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 30595968

約数和(自身を除く): 10351093

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 175, 425, 595, 875, 1361, 2125, 2975, 6805, 9527, 14875, 23137, 34025, 47635, 115685, 161959, 170125, 238175, 578425, 809795, 1190875, 2892125, 4048975, 20244875]

約数ペア:

[(1, 20244875), (5, 4048975), (7, 2892125), (17, 1190875), (25, 809795), (35, 578425), (85, 238175), (119, 170125), (125, 161959), (175, 115685), (425, 47635), (595, 34025), (875, 23137), (1361, 14875), (2125, 9527), (2975, 6805)]