20743360

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 112

約数和(自身を含む): 55302912

約数和(自身を除く): 34559552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 83, 88, 110, 142, 160, 166, 176, 220, 284, 320, 332, 352, 355, 415, 440, 568, 664, 704, 710, 781, 830, 880, 913, 1136, 1328, 1420, 1562, 1660, 1760, 1826, 2272, 2656, 2840, 3124, 3320, 3520, 3652, 3905, 4544, 4565, 5312, 5680, 5893, 6248, 6640, 7304, 7810, 9130, 11360, 11786, 12496, 13280, 14608, 15620, 18260, 22720, 23572, 24992, 26560, 29216, 29465, 31240, 36520, 47144, 49984, 58432, 58930, 62480, 64823, 73040, 94288, 117860, 124960, 129646, 146080, 188576, 235720, 249920, 259292, 292160, 324115, 377152, 471440, 518584, 648230, 942880, 1037168, 1296460, 1885760, 2074336, 2592920, 4148672, 5185840, 10371680, 20743360]

約数ペア:

[(1, 20743360), (2, 10371680), (4, 5185840), (5, 4148672), (8, 2592920), (10, 2074336), (11, 1885760), (16, 1296460), (20, 1037168), (22, 942880), (32, 648230), (40, 518584), (44, 471440), (55, 377152), (64, 324115), (71, 292160), (80, 259292), (83, 249920), (88, 235720), (110, 188576), (142, 146080), (160, 129646), (166, 124960), (176, 117860), (220, 94288), (284, 73040), (320, 64823), (332, 62480), (352, 58930), (355, 58432), (415, 49984), (440, 47144), (568, 36520), (664, 31240), (704, 29465), (710, 29216), (781, 26560), (830, 24992), (880, 23572), (913, 22720), (1136, 18260), (1328, 15620), (1420, 14608), (1562, 13280), (1660, 12496), (1760, 11786), (1826, 11360), (2272, 9130), (2656, 7810), (2840, 7304), (3124, 6640), (3320, 6248), (3520, 5893), (3652, 5680), (3905, 5312), (4544, 4565)]