20163741723

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 31674639360

約数和(自身を除く): 11510897637

約数列:

[1, 3, 9, 27, 61, 67, 79, 81, 183, 201, 237, 243, 257, 549, 603, 711, 771, 1647, 1809, 2133, 2313, 4087, 4819, 4941, 5293, 5427, 6399, 6939, 12261, 14457, 14823, 15677, 15879, 16281, 17219, 19197, 20303, 20817, 36783, 43371, 47031, 47637, 51657, 60909, 62451, 110349, 130113, 141093, 142911, 154971, 182727, 322873, 331047, 390339, 423279, 428733, 464913, 548181, 968619, 993141, 1050359, 1171017, 1238483, 1269837, 1286199, 1360301, 1394739, 1644543, 2905857, 3151077, 3715449, 3809511, 4080903, 4184217, 4933629, 8717571, 9453231, 11146347, 12242709, 26152713, 28359693, 33439041, 36728127, 78458139, 82978361, 85079079, 100317123, 110184381, 248935083, 255237237, 300951369, 330553143, 746805249, 2240415747, 6721247241, 20163741723]

約数ペア:

[(1, 20163741723), (3, 6721247241), (9, 2240415747), (27, 746805249), (61, 330553143), (67, 300951369), (79, 255237237), (81, 248935083), (183, 110184381), (201, 100317123), (237, 85079079), (243, 82978361), (257, 78458139), (549, 36728127), (603, 33439041), (711, 28359693), (771, 26152713), (1647, 12242709), (1809, 11146347), (2133, 9453231), (2313, 8717571), (4087, 4933629), (4819, 4184217), (4941, 4080903), (5293, 3809511), (5427, 3715449), (6399, 3151077), (6939, 2905857), (12261, 1644543), (14457, 1394739), (14823, 1360301), (15677, 1286199), (15879, 1269837), (16281, 1238483), (17219, 1171017), (19197, 1050359), (20303, 993141), (20817, 968619), (36783, 548181), (43371, 464913), (47031, 428733), (47637, 423279), (51657, 390339), (60909, 331047), (62451, 322873), (110349, 182727), (130113, 154971), (141093, 142911)]