20197870816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1280291}}^1$

素因数の和:1280347

約数の個数: 48

約数和(自身を含む): 43555533840

約数和(自身を除く): 23357663024

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1972, 3944, 7888, 15776, 1280291, 2560582, 5121164, 10242328, 20484656, 21764947, 37128439, 40969312, 43529894, 74256878, 87059788, 148513756, 174119576, 297027512, 348239152, 594055024, 631183463, 696478304, 1188110048, 1262366926, 2524733852, 5049467704, 10098935408, 20197870816]

約数ペア:

[(1, 20197870816), (2, 10098935408), (4, 5049467704), (8, 2524733852), (16, 1262366926), (17, 1188110048), (29, 696478304), (32, 631183463), (34, 594055024), (58, 348239152), (68, 297027512), (116, 174119576), (136, 148513756), (232, 87059788), (272, 74256878), (464, 43529894), (493, 40969312), (544, 37128439), (928, 21764947), (986, 20484656), (1972, 10242328), (3944, 5121164), (7888, 2560582), (15776, 1280291)]