20216603344

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{887}}^1\times {\mathrm{1033}}^1$

素因数の和:2132

約数の個数: 80

約数和(自身を含む): 45086899968

約数和(自身を除く): 24870296624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 887, 1033, 1379, 1576, 1774, 2066, 2758, 3152, 3548, 4132, 5516, 6209, 7096, 7231, 8264, 11032, 12418, 14192, 14462, 16528, 22064, 24836, 28924, 49672, 57848, 99344, 115696, 174739, 203501, 349478, 407002, 698956, 814004, 916271, 1223173, 1397912, 1424507, 1628008, 1832542, 2446346, 2795824, 2849014, 3256016, 3665084, 4892692, 5698028, 6413897, 7330168, 9785384, 11396056, 12827794, 14660336, 19570768, 22792112, 25655588, 51311176, 102622352, 180505387, 361010774, 722021548, 1263537709, 1444043096, 2527075418, 2888086192, 5054150836, 10108301672, 20216603344]

約数ペア:

[(1, 20216603344), (2, 10108301672), (4, 5054150836), (7, 2888086192), (8, 2527075418), (14, 1444043096), (16, 1263537709), (28, 722021548), (56, 361010774), (112, 180505387), (197, 102622352), (394, 51311176), (788, 25655588), (887, 22792112), (1033, 19570768), (1379, 14660336), (1576, 12827794), (1774, 11396056), (2066, 9785384), (2758, 7330168), (3152, 6413897), (3548, 5698028), (4132, 4892692), (5516, 3665084), (6209, 3256016), (7096, 2849014), (7231, 2795824), (8264, 2446346), (11032, 1832542), (12418, 1628008), (14192, 1424507), (14462, 1397912), (16528, 1223173), (22064, 916271), (24836, 814004), (28924, 698956), (49672, 407002), (57848, 349478), (99344, 203501), (115696, 174739)]