20001571072

素因数分解:

$2^8\times 7^2\times {\mathrm{83}}^1\times {\mathrm{19211}}^1$

素因数の和:19324

約数の個数: 108

約数和(自身を含む): 47005385616

約数和(自身を除く): 27003814544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 83, 98, 112, 128, 166, 196, 224, 256, 332, 392, 448, 581, 664, 784, 896, 1162, 1328, 1568, 1792, 2324, 2656, 3136, 4067, 4648, 5312, 6272, 8134, 9296, 10624, 12544, 16268, 18592, 19211, 21248, 32536, 37184, 38422, 65072, 74368, 76844, 130144, 134477, 148736, 153688, 260288, 268954, 307376, 520576, 537908, 614752, 941339, 1041152, 1075816, 1229504, 1594513, 1882678, 2151632, 2459008, 3189026, 3765356, 4303264, 4918016, 6378052, 7530712, 8606528, 11161591, 12756104, 15061424, 17213056, 22323182, 25512208, 30122848, 34426112, 44646364, 51024416, 60245696, 78131137, 89292728, 102048832, 120491392, 156262274, 178585456, 204097664, 240982784, 312524548, 357170912, 408195328, 625049096, 714341824, 1250098192, 1428683648, 2500196384, 2857367296, 5000392768, 10000785536, 20001571072]

約数ペア:

[(1, 20001571072), (2, 10000785536), (4, 5000392768), (7, 2857367296), (8, 2500196384), (14, 1428683648), (16, 1250098192), (28, 714341824), (32, 625049096), (49, 408195328), (56, 357170912), (64, 312524548), (83, 240982784), (98, 204097664), (112, 178585456), (128, 156262274), (166, 120491392), (196, 102048832), (224, 89292728), (256, 78131137), (332, 60245696), (392, 51024416), (448, 44646364), (581, 34426112), (664, 30122848), (784, 25512208), (896, 22323182), (1162, 17213056), (1328, 15061424), (1568, 12756104), (1792, 11161591), (2324, 8606528), (2656, 7530712), (3136, 6378052), (4067, 4918016), (4648, 4303264), (5312, 3765356), (6272, 3189026), (8134, 2459008), (9296, 2151632), (10624, 1882678), (12544, 1594513), (16268, 1229504), (18592, 1075816), (19211, 1041152), (21248, 941339), (32536, 614752), (37184, 537908), (38422, 520576), (65072, 307376), (74368, 268954), (76844, 260288), (130144, 153688), (134477, 148736)]