20803585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13043}}^1$

素因数の和:13088

約数の個数: 16

約数和(自身を含む): 28175040

約数和(自身を除く): 7371455

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 13043, 65215, 143473, 378247, 717365, 1891235, 4160717, 20803585]

約数ペア:

[(1, 20803585), (5, 4160717), (11, 1891235), (29, 717365), (55, 378247), (145, 143473), (319, 65215), (1595, 13043)]