20682704

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 120

約数和(自身を含む): 51568128

約数和(自身を除く): 30885424

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 37, 46, 49, 56, 62, 74, 92, 98, 112, 124, 148, 161, 184, 196, 217, 248, 259, 296, 322, 368, 392, 434, 496, 518, 592, 644, 713, 784, 851, 868, 1036, 1127, 1147, 1288, 1426, 1519, 1702, 1736, 1813, 2072, 2254, 2294, 2576, 2852, 3038, 3404, 3472, 3626, 4144, 4508, 4588, 4991, 5704, 5957, 6076, 6808, 7252, 8029, 9016, 9176, 9982, 11408, 11914, 12152, 13616, 14504, 16058, 18032, 18352, 19964, 23828, 24304, 26381, 29008, 32116, 34937, 39928, 41699, 47656, 52762, 56203, 64232, 69874, 79856, 83398, 95312, 105524, 112406, 128464, 139748, 166796, 184667, 211048, 224812, 279496, 333592, 369334, 422096, 449624, 558992, 667184, 738668, 899248, 1292669, 1477336, 2585338, 2954672, 5170676, 10341352, 20682704]

約数ペア:

[(1, 20682704), (2, 10341352), (4, 5170676), (7, 2954672), (8, 2585338), (14, 1477336), (16, 1292669), (23, 899248), (28, 738668), (31, 667184), (37, 558992), (46, 449624), (49, 422096), (56, 369334), (62, 333592), (74, 279496), (92, 224812), (98, 211048), (112, 184667), (124, 166796), (148, 139748), (161, 128464), (184, 112406), (196, 105524), (217, 95312), (248, 83398), (259, 79856), (296, 69874), (322, 64232), (368, 56203), (392, 52762), (434, 47656), (496, 41699), (518, 39928), (592, 34937), (644, 32116), (713, 29008), (784, 26381), (851, 24304), (868, 23828), (1036, 19964), (1127, 18352), (1147, 18032), (1288, 16058), (1426, 14504), (1519, 13616), (1702, 12152), (1736, 11914), (1813, 11408), (2072, 9982), (2254, 9176), (2294, 9016), (2576, 8029), (2852, 7252), (3038, 6808), (3404, 6076), (3472, 5957), (3626, 5704), (4144, 4991), (4508, 4588)]