20840865

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23549}}^1$

素因数の和:23616

約数の個数: 16

約数和(自身を含む): 33912000

約数和(自身を除く): 13071135

約数列:

[1, 3, 5, 15, 59, 177, 295, 885, 23549, 70647, 117745, 353235, 1389391, 4168173, 6946955, 20840865]

約数ペア:

[(1, 20840865), (3, 6946955), (5, 4168173), (15, 1389391), (59, 353235), (177, 117745), (295, 70647), (885, 23549)]