20405792155

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34295449}}^1$

素因数の和:34295478

約数の個数: 16

約数和(自身を含む): 29631268800

約数和(自身を除く): 9225476645

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 34295449, 171477245, 240068143, 583022633, 1200340715, 2915113165, 4081158431, 20405792155]

約数ペア:

[(1, 20405792155), (5, 4081158431), (7, 2915113165), (17, 1200340715), (35, 583022633), (85, 240068143), (119, 171477245), (595, 34295449)]