20512166560

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{58727}}^1$

素因数の和:58838

約数の個数: 96

約数和(自身を含む): 50614139520

約数和(自身を除く): 30101972960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 59, 74, 80, 118, 148, 160, 185, 236, 295, 296, 370, 472, 590, 592, 740, 944, 1180, 1184, 1480, 1888, 2183, 2360, 2960, 4366, 4720, 5920, 8732, 9440, 10915, 17464, 21830, 34928, 43660, 58727, 69856, 87320, 117454, 174640, 234908, 293635, 349280, 469816, 587270, 939632, 1174540, 1879264, 2172899, 2349080, 3464893, 4345798, 4698160, 6929786, 8691596, 9396320, 10864495, 13859572, 17324465, 17383192, 21728990, 27719144, 34648930, 34766384, 43457980, 55438288, 69297860, 69532768, 86915960, 110876576, 128201041, 138595720, 173831920, 256402082, 277191440, 347663840, 512804164, 554382880, 641005205, 1025608328, 1282010410, 2051216656, 2564020820, 4102433312, 5128041640, 10256083280, 20512166560]

約数ペア:

[(1, 20512166560), (2, 10256083280), (4, 5128041640), (5, 4102433312), (8, 2564020820), (10, 2051216656), (16, 1282010410), (20, 1025608328), (32, 641005205), (37, 554382880), (40, 512804164), (59, 347663840), (74, 277191440), (80, 256402082), (118, 173831920), (148, 138595720), (160, 128201041), (185, 110876576), (236, 86915960), (295, 69532768), (296, 69297860), (370, 55438288), (472, 43457980), (590, 34766384), (592, 34648930), (740, 27719144), (944, 21728990), (1180, 17383192), (1184, 17324465), (1480, 13859572), (1888, 10864495), (2183, 9396320), (2360, 8691596), (2960, 6929786), (4366, 4698160), (4720, 4345798), (5920, 3464893), (8732, 2349080), (9440, 2172899), (10915, 1879264), (17464, 1174540), (21830, 939632), (34928, 587270), (43660, 469816), (58727, 349280), (69856, 293635), (87320, 234908), (117454, 174640)]