20990614

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{3449}}^1$

素因数の和:3647

約数の個数: 16

約数和(自身を含む): 33534000

約数和(自身を除く): 12543386

約数列:

[1, 2, 17, 34, 179, 358, 3043, 3449, 6086, 6898, 58633, 117266, 617371, 1234742, 10495307, 20990614]

約数ペア:

[(1, 20990614), (2, 10495307), (17, 1234742), (34, 617371), (179, 117266), (358, 58633), (3043, 6898), (3449, 6086)]