20123667740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{4651}}^1$

素因数の和:5019

約数の個数: 96

約数和(自身を含む): 46929673728

約数和(自身を除く): 26806005988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 277, 284, 355, 554, 710, 781, 1108, 1385, 1420, 1562, 2770, 3047, 3124, 3905, 4651, 5540, 6094, 7810, 9302, 12188, 15235, 15620, 18604, 19667, 23255, 30470, 39334, 46510, 51161, 60940, 78668, 93020, 98335, 102322, 196670, 204644, 216337, 255805, 330221, 393340, 432674, 511610, 660442, 865348, 1023220, 1081685, 1288327, 1320884, 1651105, 2163370, 2576654, 3302210, 3632431, 4326740, 5153308, 6441635, 6604420, 7264862, 12883270, 14171597, 14529724, 18162155, 25766540, 28343194, 36324310, 56686388, 70857985, 72648620, 91471217, 141715970, 182942434, 283431940, 365884868, 457356085, 914712170, 1006183387, 1829424340, 2012366774, 4024733548, 5030916935, 10061833870, 20123667740]

約数ペア:

[(1, 20123667740), (2, 10061833870), (4, 5030916935), (5, 4024733548), (10, 2012366774), (11, 1829424340), (20, 1006183387), (22, 914712170), (44, 457356085), (55, 365884868), (71, 283431940), (110, 182942434), (142, 141715970), (220, 91471217), (277, 72648620), (284, 70857985), (355, 56686388), (554, 36324310), (710, 28343194), (781, 25766540), (1108, 18162155), (1385, 14529724), (1420, 14171597), (1562, 12883270), (2770, 7264862), (3047, 6604420), (3124, 6441635), (3905, 5153308), (4651, 4326740), (5540, 3632431), (6094, 3302210), (7810, 2576654), (9302, 2163370), (12188, 1651105), (15235, 1320884), (15620, 1288327), (18604, 1081685), (19667, 1023220), (23255, 865348), (30470, 660442), (39334, 511610), (46510, 432674), (51161, 393340), (60940, 330221), (78668, 255805), (93020, 216337), (98335, 204644), (102322, 196670)]