20186693380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6661}}^1\times {\mathrm{21647}}^1$

素因数の和:28324

約数の個数: 48

約数和(自身を含む): 48457575936

約数和(自身を除く): 28270882556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6661, 13322, 21647, 26644, 33305, 43294, 46627, 66610, 86588, 93254, 108235, 133220, 151529, 186508, 216470, 233135, 303058, 432940, 466270, 606116, 757645, 932540, 1515290, 3030580, 144190667, 288381334, 576762668, 720953335, 1009334669, 1441906670, 2018669338, 2883813340, 4037338676, 5046673345, 10093346690, 20186693380]

約数ペア:

[(1, 20186693380), (2, 10093346690), (4, 5046673345), (5, 4037338676), (7, 2883813340), (10, 2018669338), (14, 1441906670), (20, 1009334669), (28, 720953335), (35, 576762668), (70, 288381334), (140, 144190667), (6661, 3030580), (13322, 1515290), (21647, 932540), (26644, 757645), (33305, 606116), (43294, 466270), (46627, 432940), (66610, 303058), (86588, 233135), (93254, 216470), (108235, 186508), (133220, 151529)]