20126575

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2447}}^1$

素因数の和:2511

約数の個数: 24

約数和(自身を含む): 29140992

約数和(自身を除く): 9014417

約数列:

[1, 5, 7, 25, 35, 47, 175, 235, 329, 1175, 1645, 2447, 8225, 12235, 17129, 61175, 85645, 115009, 428225, 575045, 805063, 2875225, 4025315, 20126575]

約数ペア:

[(1, 20126575), (5, 4025315), (7, 2875225), (25, 805063), (35, 575045), (47, 428225), (175, 115009), (235, 85645), (329, 61175), (1175, 17129), (1645, 12235), (2447, 8225)]