20295824

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:168

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 24701296

約数列:

[1, 2, 4, 8, 16, 17, 29, 31, 34, 58, 62, 68, 83, 116, 124, 136, 166, 232, 248, 272, 332, 464, 493, 496, 527, 664, 899, 986, 1054, 1328, 1411, 1798, 1972, 2108, 2407, 2573, 2822, 3596, 3944, 4216, 4814, 5146, 5644, 7192, 7888, 8432, 9628, 10292, 11288, 14384, 15283, 19256, 20584, 22576, 30566, 38512, 40919, 41168, 43741, 61132, 74617, 81838, 87482, 122264, 149234, 163676, 174964, 244528, 298468, 327352, 349928, 596936, 654704, 699856, 1193872, 1268489, 2536978, 5073956, 10147912, 20295824]

約数ペア:

[(1, 20295824), (2, 10147912), (4, 5073956), (8, 2536978), (16, 1268489), (17, 1193872), (29, 699856), (31, 654704), (34, 596936), (58, 349928), (62, 327352), (68, 298468), (83, 244528), (116, 174964), (124, 163676), (136, 149234), (166, 122264), (232, 87482), (248, 81838), (272, 74617), (332, 61132), (464, 43741), (493, 41168), (496, 40919), (527, 38512), (664, 30566), (899, 22576), (986, 20584), (1054, 19256), (1328, 15283), (1411, 14384), (1798, 11288), (1972, 10292), (2108, 9628), (2407, 8432), (2573, 7888), (2822, 7192), (3596, 5644), (3944, 5146), (4216, 4814)]