20403721758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{929}}^1\times {\mathrm{5077}}^1$

素因数の和:6121

約数の個数: 64

約数和(自身を含む): 47149839360

約数和(自身を除く): 26746117602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 103, 206, 309, 618, 721, 929, 1442, 1858, 2163, 2787, 4326, 5077, 5574, 6503, 10154, 13006, 15231, 19509, 30462, 35539, 39018, 71078, 95687, 106617, 191374, 213234, 287061, 522931, 574122, 669809, 1045862, 1339618, 1568793, 2009427, 3137586, 3660517, 4018854, 4716533, 7321034, 9433066, 10981551, 14149599, 21963102, 28299198, 33015731, 66031462, 99047193, 198094386, 485802899, 971605798, 1457408697, 2914817394, 3400620293, 6801240586, 10201860879, 20403721758]

約数ペア:

[(1, 20403721758), (2, 10201860879), (3, 6801240586), (6, 3400620293), (7, 2914817394), (14, 1457408697), (21, 971605798), (42, 485802899), (103, 198094386), (206, 99047193), (309, 66031462), (618, 33015731), (721, 28299198), (929, 21963102), (1442, 14149599), (1858, 10981551), (2163, 9433066), (2787, 7321034), (4326, 4716533), (5077, 4018854), (5574, 3660517), (6503, 3137586), (10154, 2009427), (13006, 1568793), (15231, 1339618), (19509, 1045862), (30462, 669809), (35539, 574122), (39018, 522931), (71078, 287061), (95687, 213234), (106617, 191374)]