20065729

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 24295680

約数和(自身を除く): 4229951

約数列:

[1, 17, 19, 23, 37, 73, 323, 391, 437, 629, 703, 851, 1241, 1387, 1679, 2701, 7429, 11951, 14467, 16169, 23579, 28543, 31901, 45917, 51319, 62123, 274873, 542317, 872423, 1056091, 1180337, 20065729]

約数ペア:

[(1, 20065729), (17, 1180337), (19, 1056091), (23, 872423), (37, 542317), (73, 274873), (323, 62123), (391, 51319), (437, 45917), (629, 31901), (703, 28543), (851, 23579), (1241, 16169), (1387, 14467), (1679, 11951), (2701, 7429)]