20176440765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{236771}}^1$

素因数の和:236834

約数の個数: 64

約数和(自身を含む): 38186588160

約数和(自身を除く): 18010147395

約数列:

[1, 3, 5, 13, 15, 19, 23, 39, 57, 65, 69, 95, 115, 195, 247, 285, 299, 345, 437, 741, 897, 1235, 1311, 1495, 2185, 3705, 4485, 5681, 6555, 17043, 28405, 85215, 236771, 710313, 1183855, 3078023, 3551565, 4498649, 5445733, 9234069, 13495947, 15390115, 16337199, 22493245, 27228665, 46170345, 58482437, 67479735, 70794529, 81685995, 103468927, 175447311, 212383587, 292412185, 310406781, 353972645, 517344635, 877236555, 1061917935, 1345096051, 1552033905, 4035288153, 6725480255, 20176440765]

約数ペア:

[(1, 20176440765), (3, 6725480255), (5, 4035288153), (13, 1552033905), (15, 1345096051), (19, 1061917935), (23, 877236555), (39, 517344635), (57, 353972645), (65, 310406781), (69, 292412185), (95, 212383587), (115, 175447311), (195, 103468927), (247, 81685995), (285, 70794529), (299, 67479735), (345, 58482437), (437, 46170345), (741, 27228665), (897, 22493245), (1235, 16337199), (1311, 15390115), (1495, 13495947), (2185, 9234069), (3705, 5445733), (4485, 4498649), (5681, 3551565), (6555, 3078023), (17043, 1183855), (28405, 710313), (85215, 236771)]