20321195888

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{14969}}^1$

素因数の和:15055

約数の個数: 160

約数和(自身を含む): 51322429440

約数和(自身を除く): 31001233552

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 31, 34, 46, 56, 62, 68, 92, 112, 119, 124, 136, 161, 184, 217, 238, 248, 272, 322, 368, 391, 434, 476, 496, 527, 644, 713, 782, 868, 952, 1054, 1288, 1426, 1564, 1736, 1904, 2108, 2576, 2737, 2852, 3128, 3472, 3689, 4216, 4991, 5474, 5704, 6256, 7378, 8432, 9982, 10948, 11408, 12121, 14756, 14969, 19964, 21896, 24242, 29512, 29938, 39928, 43792, 48484, 59024, 59876, 79856, 84847, 96968, 104783, 119752, 169694, 193936, 209566, 239504, 254473, 339388, 344287, 419132, 464039, 508946, 678776, 688574, 838264, 928078, 1017892, 1357552, 1377148, 1676528, 1781311, 1856156, 2035784, 2410009, 2754296, 3248273, 3562622, 3712312, 4071568, 4820018, 5508592, 5852879, 6496546, 7125244, 7424624, 7888663, 9640036, 10672897, 11705758, 12993092, 14250488, 15777326, 19280072, 21345794, 23411516, 25986184, 28500976, 31554652, 38560144, 40970153, 42691588, 46823032, 51972368, 55220641, 63109304, 74710279, 81940306, 85383176, 93646064, 110441282, 126218608, 149420558, 163880612, 170766352, 181439249, 220882564, 298841116, 327761224, 362878498, 441765128, 597682232, 655522448, 725756996, 883530256, 1195364464, 1270074743, 1451513992, 2540149486, 2903027984, 5080298972, 10160597944, 20321195888]

約数ペア:

[(1, 20321195888), (2, 10160597944), (4, 5080298972), (7, 2903027984), (8, 2540149486), (14, 1451513992), (16, 1270074743), (17, 1195364464), (23, 883530256), (28, 725756996), (31, 655522448), (34, 597682232), (46, 441765128), (56, 362878498), (62, 327761224), (68, 298841116), (92, 220882564), (112, 181439249), (119, 170766352), (124, 163880612), (136, 149420558), (161, 126218608), (184, 110441282), (217, 93646064), (238, 85383176), (248, 81940306), (272, 74710279), (322, 63109304), (368, 55220641), (391, 51972368), (434, 46823032), (476, 42691588), (496, 40970153), (527, 38560144), (644, 31554652), (713, 28500976), (782, 25986184), (868, 23411516), (952, 21345794), (1054, 19280072), (1288, 15777326), (1426, 14250488), (1564, 12993092), (1736, 11705758), (1904, 10672897), (2108, 9640036), (2576, 7888663), (2737, 7424624), (2852, 7125244), (3128, 6496546), (3472, 5852879), (3689, 5508592), (4216, 4820018), (4991, 4071568), (5474, 3712312), (5704, 3562622), (6256, 3248273), (7378, 2754296), (8432, 2410009), (9982, 2035784), (10948, 1856156), (11408, 1781311), (12121, 1676528), (14756, 1377148), (14969, 1357552), (19964, 1017892), (21896, 928078), (24242, 838264), (29512, 688574), (29938, 678776), (39928, 508946), (43792, 464039), (48484, 419132), (59024, 344287), (59876, 339388), (79856, 254473), (84847, 239504), (96968, 209566), (104783, 193936), (119752, 169694)]