20575984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:95

約数の個数: 120

約数和(自身を含む): 51840432

約数和(自身を除く): 31264448

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 23, 26, 34, 44, 46, 52, 68, 88, 92, 104, 136, 143, 176, 184, 187, 208, 221, 253, 272, 286, 299, 368, 374, 391, 442, 506, 529, 572, 598, 748, 782, 884, 1012, 1058, 1144, 1196, 1496, 1564, 1768, 2024, 2116, 2288, 2392, 2431, 2992, 3128, 3289, 3536, 4048, 4232, 4301, 4784, 4862, 5083, 5819, 6256, 6578, 6877, 8464, 8602, 8993, 9724, 10166, 11638, 13156, 13754, 17204, 17986, 19448, 20332, 23276, 26312, 27508, 34408, 35972, 38896, 40664, 46552, 52624, 55016, 55913, 68816, 71944, 75647, 81328, 93104, 98923, 110032, 111826, 116909, 143888, 151294, 197846, 223652, 233818, 302588, 395692, 447304, 467636, 605176, 791384, 894608, 935272, 1210352, 1285999, 1582768, 1870544, 2571998, 5143996, 10287992, 20575984]

約数ペア:

[(1, 20575984), (2, 10287992), (4, 5143996), (8, 2571998), (11, 1870544), (13, 1582768), (16, 1285999), (17, 1210352), (22, 935272), (23, 894608), (26, 791384), (34, 605176), (44, 467636), (46, 447304), (52, 395692), (68, 302588), (88, 233818), (92, 223652), (104, 197846), (136, 151294), (143, 143888), (176, 116909), (184, 111826), (187, 110032), (208, 98923), (221, 93104), (253, 81328), (272, 75647), (286, 71944), (299, 68816), (368, 55913), (374, 55016), (391, 52624), (442, 46552), (506, 40664), (529, 38896), (572, 35972), (598, 34408), (748, 27508), (782, 26312), (884, 23276), (1012, 20332), (1058, 19448), (1144, 17986), (1196, 17204), (1496, 13754), (1564, 13156), (1768, 11638), (2024, 10166), (2116, 9724), (2288, 8993), (2392, 8602), (2431, 8464), (2992, 6877), (3128, 6578), (3289, 6256), (3536, 5819), (4048, 5083), (4232, 4862), (4301, 4784)]