20275696

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 49711104

約数和(自身を除く): 29435408

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 463, 476, 644, 782, 926, 952, 1288, 1564, 1852, 1904, 2576, 2737, 3128, 3241, 3704, 5474, 6256, 6482, 7408, 7871, 10649, 10948, 12964, 15742, 21298, 21896, 25928, 31484, 42596, 43792, 51856, 55097, 62968, 74543, 85192, 110194, 125936, 149086, 170384, 181033, 220388, 298172, 362066, 440776, 596344, 724132, 881552, 1192688, 1267231, 1448264, 2534462, 2896528, 5068924, 10137848, 20275696]

約数ペア:

[(1, 20275696), (2, 10137848), (4, 5068924), (7, 2896528), (8, 2534462), (14, 1448264), (16, 1267231), (17, 1192688), (23, 881552), (28, 724132), (34, 596344), (46, 440776), (56, 362066), (68, 298172), (92, 220388), (112, 181033), (119, 170384), (136, 149086), (161, 125936), (184, 110194), (238, 85192), (272, 74543), (322, 62968), (368, 55097), (391, 51856), (463, 43792), (476, 42596), (644, 31484), (782, 25928), (926, 21896), (952, 21298), (1288, 15742), (1564, 12964), (1852, 10948), (1904, 10649), (2576, 7871), (2737, 7408), (3128, 6482), (3241, 6256), (3704, 5474)]