20559231

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 96

約数和(自身を含む): 40857600

約数和(自身を除く): 20298369

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 31, 33, 63, 77, 87, 93, 99, 121, 189, 203, 217, 231, 261, 279, 297, 319, 341, 363, 609, 651, 693, 783, 837, 847, 899, 957, 1023, 1089, 1827, 1953, 2079, 2233, 2387, 2541, 2697, 2871, 3069, 3267, 3509, 3751, 5481, 5859, 6293, 6699, 7161, 7623, 8091, 8613, 9207, 9889, 10527, 11253, 18879, 20097, 21483, 22869, 24273, 24563, 26257, 29667, 31581, 33759, 56637, 60291, 64449, 69223, 73689, 78771, 89001, 94743, 101277, 108779, 169911, 207669, 221067, 236313, 267003, 326337, 623007, 663201, 708939, 761453, 979011, 1869021, 2284359, 2937033, 6853077, 20559231]

約数ペア:

[(1, 20559231), (3, 6853077), (7, 2937033), (9, 2284359), (11, 1869021), (21, 979011), (27, 761453), (29, 708939), (31, 663201), (33, 623007), (63, 326337), (77, 267003), (87, 236313), (93, 221067), (99, 207669), (121, 169911), (189, 108779), (203, 101277), (217, 94743), (231, 89001), (261, 78771), (279, 73689), (297, 69223), (319, 64449), (341, 60291), (363, 56637), (609, 33759), (651, 31581), (693, 29667), (783, 26257), (837, 24563), (847, 24273), (899, 22869), (957, 21483), (1023, 20097), (1089, 18879), (1827, 11253), (1953, 10527), (2079, 9889), (2233, 9207), (2387, 8613), (2541, 8091), (2697, 7623), (2871, 7161), (3069, 6699), (3267, 6293), (3509, 5859), (3751, 5481)]