20797717317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1\times {\mathrm{911}}^1$

素因数の和:1802

約数の個数: 64

約数和(自身を含む): 32241549312

約数和(自身を除く): 11443831995

約数列:

[1, 3, 13, 23, 31, 39, 69, 93, 299, 403, 713, 821, 897, 911, 1209, 2139, 2463, 2733, 9269, 10673, 11843, 18883, 20953, 25451, 27807, 28241, 32019, 35529, 56649, 62859, 76353, 84723, 245479, 272389, 330863, 367133, 585373, 649543, 736437, 747931, 817167, 992589, 1101399, 1756119, 1948629, 2243793, 7609849, 8444059, 9723103, 17202413, 22829547, 23185861, 25332177, 29169309, 51607239, 69557583, 223631369, 301416193, 533274803, 670894107, 904248579, 1599824409, 6932572439, 20797717317]

約数ペア:

[(1, 20797717317), (3, 6932572439), (13, 1599824409), (23, 904248579), (31, 670894107), (39, 533274803), (69, 301416193), (93, 223631369), (299, 69557583), (403, 51607239), (713, 29169309), (821, 25332177), (897, 23185861), (911, 22829547), (1209, 17202413), (2139, 9723103), (2463, 8444059), (2733, 7609849), (9269, 2243793), (10673, 1948629), (11843, 1756119), (18883, 1101399), (20953, 992589), (25451, 817167), (27807, 747931), (28241, 736437), (32019, 649543), (35529, 585373), (56649, 367133), (62859, 330863), (76353, 272389), (84723, 245479)]