20449611

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 96

約数和(自身を含む): 40219200

約数和(自身を除く): 19769589

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 41, 49, 63, 87, 91, 117, 123, 147, 189, 203, 261, 273, 287, 351, 369, 377, 441, 533, 609, 637, 783, 819, 861, 1107, 1131, 1189, 1323, 1421, 1599, 1827, 1911, 2009, 2457, 2583, 2639, 3393, 3567, 3731, 4263, 4797, 5481, 5733, 6027, 7749, 7917, 8323, 10179, 10701, 11193, 12789, 14391, 15457, 17199, 18081, 18473, 23751, 24969, 26117, 32103, 33579, 38367, 46371, 54243, 55419, 58261, 71253, 74907, 78351, 100737, 108199, 139113, 166257, 174783, 224721, 235053, 324597, 417339, 498771, 524349, 705159, 757393, 973791, 1573047, 2272179, 2921373, 6816537, 20449611]

約数ペア:

[(1, 20449611), (3, 6816537), (7, 2921373), (9, 2272179), (13, 1573047), (21, 973791), (27, 757393), (29, 705159), (39, 524349), (41, 498771), (49, 417339), (63, 324597), (87, 235053), (91, 224721), (117, 174783), (123, 166257), (147, 139113), (189, 108199), (203, 100737), (261, 78351), (273, 74907), (287, 71253), (351, 58261), (369, 55419), (377, 54243), (441, 46371), (533, 38367), (609, 33579), (637, 32103), (783, 26117), (819, 24969), (861, 23751), (1107, 18473), (1131, 18081), (1189, 17199), (1323, 15457), (1421, 14391), (1599, 12789), (1827, 11193), (1911, 10701), (2009, 10179), (2457, 8323), (2583, 7917), (2639, 7749), (3393, 6027), (3567, 5733), (3731, 5481), (4263, 4797)]