20512690576

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4211}}^1$

素因数の和:4341

約数の個数: 160

約数和(自身を含む): 49738530816

約数和(自身を除く): 29225840240

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 56, 61, 62, 92, 112, 122, 124, 161, 184, 217, 244, 248, 322, 368, 427, 434, 488, 496, 644, 713, 854, 868, 976, 1288, 1403, 1426, 1708, 1736, 1891, 2576, 2806, 2852, 3416, 3472, 3782, 4211, 4991, 5612, 5704, 6832, 7564, 8422, 9821, 9982, 11224, 11408, 13237, 15128, 16844, 19642, 19964, 22448, 26474, 29477, 30256, 33688, 39284, 39928, 43493, 52948, 58954, 67376, 78568, 79856, 86986, 96853, 105896, 117908, 130541, 157136, 173972, 193706, 211792, 235816, 256871, 261082, 304451, 347944, 387412, 471632, 513742, 522164, 608902, 677971, 695888, 774824, 913787, 1027484, 1044328, 1217804, 1355942, 1549648, 1798097, 1827574, 2054968, 2088656, 2435608, 2711884, 3002443, 3596194, 3655148, 4109936, 4871216, 5423768, 5908033, 6004886, 7192388, 7310296, 7963001, 10847536, 11816066, 12009772, 14384776, 14620592, 15926002, 21017101, 23632132, 24019544, 28769552, 31852004, 41356231, 42034202, 47264264, 48039088, 55741007, 63704008, 82712462, 84068404, 94528528, 111482014, 127408016, 165424924, 168136808, 183149023, 222964028, 330849848, 336273616, 366298046, 445928056, 661699696, 732596092, 891856112, 1282043161, 1465192184, 2564086322, 2930384368, 5128172644, 10256345288, 20512690576]

約数ペア:

[(1, 20512690576), (2, 10256345288), (4, 5128172644), (7, 2930384368), (8, 2564086322), (14, 1465192184), (16, 1282043161), (23, 891856112), (28, 732596092), (31, 661699696), (46, 445928056), (56, 366298046), (61, 336273616), (62, 330849848), (92, 222964028), (112, 183149023), (122, 168136808), (124, 165424924), (161, 127408016), (184, 111482014), (217, 94528528), (244, 84068404), (248, 82712462), (322, 63704008), (368, 55741007), (427, 48039088), (434, 47264264), (488, 42034202), (496, 41356231), (644, 31852004), (713, 28769552), (854, 24019544), (868, 23632132), (976, 21017101), (1288, 15926002), (1403, 14620592), (1426, 14384776), (1708, 12009772), (1736, 11816066), (1891, 10847536), (2576, 7963001), (2806, 7310296), (2852, 7192388), (3416, 6004886), (3472, 5908033), (3782, 5423768), (4211, 4871216), (4991, 4109936), (5612, 3655148), (5704, 3596194), (6832, 3002443), (7564, 2711884), (8422, 2435608), (9821, 2088656), (9982, 2054968), (11224, 1827574), (11408, 1798097), (13237, 1549648), (15128, 1355942), (16844, 1217804), (19642, 1044328), (19964, 1027484), (22448, 913787), (26474, 774824), (29477, 695888), (30256, 677971), (33688, 608902), (39284, 522164), (39928, 513742), (43493, 471632), (52948, 387412), (58954, 347944), (67376, 304451), (78568, 261082), (79856, 256871), (86986, 235816), (96853, 211792), (105896, 193706), (117908, 173972), (130541, 157136)]