20643519456

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{538939}}^1$

素因数の和:538981

約数の個数: 144

約数和(自身を含む): 70622697600

約数和(自身を除く): 49979178144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 32, 36, 38, 42, 48, 56, 57, 63, 72, 76, 84, 96, 112, 114, 126, 133, 144, 152, 168, 171, 224, 228, 252, 266, 288, 304, 336, 342, 399, 456, 504, 532, 608, 672, 684, 798, 912, 1008, 1064, 1197, 1368, 1596, 1824, 2016, 2128, 2394, 2736, 3192, 4256, 4788, 5472, 6384, 9576, 12768, 19152, 38304, 538939, 1077878, 1616817, 2155756, 3233634, 3772573, 4311512, 4850451, 6467268, 7545146, 8623024, 9700902, 10239841, 11317719, 12934536, 15090292, 17246048, 19401804, 20479682, 22635438, 25869072, 30180584, 30719523, 33953157, 38803608, 40959364, 45270876, 51738144, 60361168, 61439046, 67906314, 71678887, 77607216, 81918728, 90541752, 92158569, 120722336, 122878092, 135812628, 143357774, 155214432, 163837456, 181083504, 184317138, 215036661, 245756184, 271625256, 286715548, 327674912, 362167008, 368634276, 430073322, 491512368, 543250512, 573431096, 645109983, 737268552, 860146644, 983024736, 1086501024, 1146862192, 1290219966, 1474537104, 1720293288, 2293724384, 2580439932, 2949074208, 3440586576, 5160879864, 6881173152, 10321759728, 20643519456]

約数ペア:

[(1, 20643519456), (2, 10321759728), (3, 6881173152), (4, 5160879864), (6, 3440586576), (7, 2949074208), (8, 2580439932), (9, 2293724384), (12, 1720293288), (14, 1474537104), (16, 1290219966), (18, 1146862192), (19, 1086501024), (21, 983024736), (24, 860146644), (28, 737268552), (32, 645109983), (36, 573431096), (38, 543250512), (42, 491512368), (48, 430073322), (56, 368634276), (57, 362167008), (63, 327674912), (72, 286715548), (76, 271625256), (84, 245756184), (96, 215036661), (112, 184317138), (114, 181083504), (126, 163837456), (133, 155214432), (144, 143357774), (152, 135812628), (168, 122878092), (171, 120722336), (224, 92158569), (228, 90541752), (252, 81918728), (266, 77607216), (288, 71678887), (304, 67906314), (336, 61439046), (342, 60361168), (399, 51738144), (456, 45270876), (504, 40959364), (532, 38803608), (608, 33953157), (672, 30719523), (684, 30180584), (798, 25869072), (912, 22635438), (1008, 20479682), (1064, 19401804), (1197, 17246048), (1368, 15090292), (1596, 12934536), (1824, 11317719), (2016, 10239841), (2128, 9700902), (2394, 8623024), (2736, 7545146), (3192, 6467268), (4256, 4850451), (4788, 4311512), (5472, 3772573), (6384, 3233634), (9576, 2155756), (12768, 1616817), (19152, 1077878), (38304, 538939)]