20137694962

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{8641}}^1$

素因数の和:9107

約数の個数: 64

約数和(自身を含む): 38776999680

約数和(自身を除く): 18639304718

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 409, 518, 814, 818, 2849, 2863, 4499, 5698, 5726, 8641, 8998, 15133, 17282, 30266, 31493, 60487, 62986, 95051, 105931, 120974, 166463, 190102, 211862, 319717, 332926, 639434, 665357, 1165241, 1330714, 2238019, 2330482, 3516887, 3534169, 4476038, 7033774, 7068338, 24618209, 24739183, 38875859, 49236418, 49478366, 77751718, 130764253, 261528506, 272131013, 544262026, 915349771, 1438406783, 1830699542, 2876813566, 10068847481, 20137694962]

約数ペア:

[(1, 20137694962), (2, 10068847481), (7, 2876813566), (11, 1830699542), (14, 1438406783), (22, 915349771), (37, 544262026), (74, 272131013), (77, 261528506), (154, 130764253), (259, 77751718), (407, 49478366), (409, 49236418), (518, 38875859), (814, 24739183), (818, 24618209), (2849, 7068338), (2863, 7033774), (4499, 4476038), (5698, 3534169), (5726, 3516887), (8641, 2330482), (8998, 2238019), (15133, 1330714), (17282, 1165241), (30266, 665357), (31493, 639434), (60487, 332926), (62986, 319717), (95051, 211862), (105931, 190102), (120974, 166463)]