20163677696

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{74729}}^1$

素因数の和:74795

約数の個数: 80

約数和(自身を含む): 44034503040

約数和(自身を除く): 23870825344

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 512, 527, 544, 992, 1054, 1088, 1984, 2108, 2176, 3968, 4216, 4352, 7936, 8432, 8704, 15872, 16864, 33728, 67456, 74729, 134912, 149458, 269824, 298916, 597832, 1195664, 1270393, 2316599, 2391328, 2540786, 4633198, 4782656, 5081572, 9266396, 9565312, 10163144, 18532792, 19130624, 20326288, 37065584, 38261248, 39382183, 40652576, 74131168, 78764366, 81305152, 148262336, 157528732, 162610304, 296524672, 315057464, 325220608, 593049344, 630114928, 650441216, 1186098688, 1260229856, 2520459712, 5040919424, 10081838848, 20163677696]

約数ペア:

[(1, 20163677696), (2, 10081838848), (4, 5040919424), (8, 2520459712), (16, 1260229856), (17, 1186098688), (31, 650441216), (32, 630114928), (34, 593049344), (62, 325220608), (64, 315057464), (68, 296524672), (124, 162610304), (128, 157528732), (136, 148262336), (248, 81305152), (256, 78764366), (272, 74131168), (496, 40652576), (512, 39382183), (527, 38261248), (544, 37065584), (992, 20326288), (1054, 19130624), (1088, 18532792), (1984, 10163144), (2108, 9565312), (2176, 9266396), (3968, 5081572), (4216, 4782656), (4352, 4633198), (7936, 2540786), (8432, 2391328), (8704, 2316599), (15872, 1270393), (16864, 1195664), (33728, 597832), (67456, 298916), (74729, 269824), (134912, 149458)]