20653325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10729}}^1$

素因数の和:10757

約数の個数: 24

約数和(自身を含む): 31932480

約数和(自身を除く): 11279155

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 10729, 53645, 75103, 118019, 268225, 375515, 590095, 826133, 1877575, 2950475, 4130665, 20653325]

約数ペア:

[(1, 20653325), (5, 4130665), (7, 2950475), (11, 1877575), (25, 826133), (35, 590095), (55, 375515), (77, 268225), (175, 118019), (275, 75103), (385, 53645), (1925, 10729)]