20797651017

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{653}}^1$

素因数の和:872

約数の個数: 128

約数和(自身を含む): 37075207680

約数和(自身を除く): 16277556663

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 73, 99, 113, 117, 143, 219, 297, 339, 351, 429, 653, 657, 803, 949, 1017, 1243, 1287, 1469, 1959, 1971, 2409, 2847, 3051, 3729, 3861, 4407, 5877, 7183, 7227, 8249, 8489, 8541, 10439, 11187, 13221, 16159, 17631, 21549, 21681, 24747, 25467, 25623, 31317, 33561, 39663, 47669, 48477, 64647, 73789, 74241, 76401, 90739, 93379, 93951, 107237, 143007, 145431, 193941, 221367, 222723, 229203, 272217, 280137, 281853, 321711, 429021, 436293, 524359, 619697, 664101, 811679, 816651, 840411, 959257, 965133, 1179607, 1287063, 1573077, 1859091, 1992303, 2435037, 2449953, 2521233, 2877771, 2895399, 3538821, 4719231, 5386597, 5577273, 6816667, 7305111, 8633313, 10551827, 10616463, 14157693, 16159791, 16731819, 20450001, 21915333, 25899939, 31655481, 31849389, 48479373, 59252567, 61350003, 70025761, 94966443, 145438119, 177757701, 184050009, 210077283, 284899329, 533273103, 630231849, 770283371, 1599819309, 1890695547, 2310850113, 6932550339, 20797651017]

約数ペア:

[(1, 20797651017), (3, 6932550339), (9, 2310850113), (11, 1890695547), (13, 1599819309), (27, 770283371), (33, 630231849), (39, 533273103), (73, 284899329), (99, 210077283), (113, 184050009), (117, 177757701), (143, 145438119), (219, 94966443), (297, 70025761), (339, 61350003), (351, 59252567), (429, 48479373), (653, 31849389), (657, 31655481), (803, 25899939), (949, 21915333), (1017, 20450001), (1243, 16731819), (1287, 16159791), (1469, 14157693), (1959, 10616463), (1971, 10551827), (2409, 8633313), (2847, 7305111), (3051, 6816667), (3729, 5577273), (3861, 5386597), (4407, 4719231), (5877, 3538821), (7183, 2895399), (7227, 2877771), (8249, 2521233), (8489, 2449953), (8541, 2435037), (10439, 1992303), (11187, 1859091), (13221, 1573077), (16159, 1287063), (17631, 1179607), (21549, 965133), (21681, 959257), (24747, 840411), (25467, 816651), (25623, 811679), (31317, 664101), (33561, 619697), (39663, 524359), (47669, 436293), (48477, 429021), (64647, 321711), (73789, 281853), (74241, 280137), (76401, 272217), (90739, 229203), (93379, 222723), (93951, 221367), (107237, 193941), (143007, 145431)]