20713077

素因数分解:

$3^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 39678912

約数和(自身を除く): 18965835

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 41, 63, 77, 81, 99, 123, 189, 231, 243, 287, 297, 369, 451, 567, 693, 729, 861, 891, 1107, 1353, 1701, 2079, 2187, 2583, 2673, 3157, 3321, 4059, 5103, 6237, 6561, 7749, 8019, 9471, 9963, 12177, 15309, 18711, 23247, 24057, 28413, 29889, 36531, 45927, 56133, 69741, 72171, 85239, 89667, 109593, 168399, 209223, 255717, 269001, 328779, 505197, 627669, 767151, 986337, 1883007, 2301453, 2959011, 6904359, 20713077]

約数ペア:

[(1, 20713077), (3, 6904359), (7, 2959011), (9, 2301453), (11, 1883007), (21, 986337), (27, 767151), (33, 627669), (41, 505197), (63, 328779), (77, 269001), (81, 255717), (99, 209223), (123, 168399), (189, 109593), (231, 89667), (243, 85239), (287, 72171), (297, 69741), (369, 56133), (451, 45927), (567, 36531), (693, 29889), (729, 28413), (861, 24057), (891, 23247), (1107, 18711), (1353, 15309), (1701, 12177), (2079, 9963), (2187, 9471), (2583, 8019), (2673, 7749), (3157, 6561), (3321, 6237), (4059, 5103)]