20441436484

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{280897}}^1$

素因数の和:281044

約数の個数: 48

約数和(自身を含む): 43038067968

約数和(自身を除く): 22596631484

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 113, 161, 226, 322, 452, 644, 791, 1582, 2599, 3164, 5198, 10396, 18193, 36386, 72772, 280897, 561794, 1123588, 1966279, 3932558, 6460631, 7865116, 12921262, 25842524, 31741361, 45224417, 63482722, 90448834, 126965444, 180897668, 222189527, 444379054, 730051303, 888758108, 1460102606, 2920205212, 5110359121, 10220718242, 20441436484]

約数ペア:

[(1, 20441436484), (2, 10220718242), (4, 5110359121), (7, 2920205212), (14, 1460102606), (23, 888758108), (28, 730051303), (46, 444379054), (92, 222189527), (113, 180897668), (161, 126965444), (226, 90448834), (322, 63482722), (452, 45224417), (644, 31741361), (791, 25842524), (1582, 12921262), (2599, 7865116), (3164, 6460631), (5198, 3932558), (10396, 1966279), (18193, 1123588), (36386, 561794), (72772, 280897)]