20120573440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{714509}}^1$

素因数の和:714543

約数の個数: 80

約数和(自身を含む): 52627948560

約数和(自身を除く): 32507375120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1280, 1408, 1760, 2560, 2816, 3520, 5632, 7040, 14080, 28160, 714509, 1429018, 2858036, 3572545, 5716072, 7145090, 7859599, 11432144, 14290180, 15719198, 22864288, 28580360, 31438396, 39297995, 45728576, 57160720, 62876792, 78595990, 91457152, 114321440, 125753584, 157191980, 182914304, 228642880, 251507168, 314383960, 365828608, 457285760, 503014336, 628767920, 914571520, 1006028672, 1257535840, 1829143040, 2012057344, 2515071680, 4024114688, 5030143360, 10060286720, 20120573440]

約数ペア:

[(1, 20120573440), (2, 10060286720), (4, 5030143360), (5, 4024114688), (8, 2515071680), (10, 2012057344), (11, 1829143040), (16, 1257535840), (20, 1006028672), (22, 914571520), (32, 628767920), (40, 503014336), (44, 457285760), (55, 365828608), (64, 314383960), (80, 251507168), (88, 228642880), (110, 182914304), (128, 157191980), (160, 125753584), (176, 114321440), (220, 91457152), (256, 78595990), (320, 62876792), (352, 57160720), (440, 45728576), (512, 39297995), (640, 31438396), (704, 28580360), (880, 22864288), (1280, 15719198), (1408, 14290180), (1760, 11432144), (2560, 7859599), (2816, 7145090), (3520, 5716072), (5632, 3572545), (7040, 2858036), (14080, 1429018), (28160, 714509)]