20464158

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 53996544

約数和(自身を除く): 33532386

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 23, 26, 33, 34, 39, 46, 51, 61, 66, 69, 78, 102, 122, 138, 143, 183, 187, 221, 253, 286, 299, 366, 374, 391, 429, 442, 506, 561, 598, 663, 671, 759, 782, 793, 858, 897, 1037, 1122, 1173, 1326, 1342, 1403, 1518, 1586, 1794, 2013, 2074, 2346, 2379, 2431, 2806, 3111, 3289, 4026, 4209, 4301, 4758, 4862, 5083, 6222, 6578, 7293, 8418, 8602, 8723, 9867, 10166, 11407, 12903, 13481, 14586, 15249, 15433, 17446, 18239, 19734, 22814, 23851, 25806, 26169, 26962, 30498, 30866, 34221, 36478, 40443, 46299, 47702, 52338, 54717, 55913, 68442, 71553, 80886, 92598, 109434, 111826, 143106, 148291, 167739, 200629, 262361, 296582, 310063, 335478, 401258, 444873, 524722, 601887, 620126, 787083, 889746, 930189, 1203774, 1574166, 1860378, 3410693, 6821386, 10232079, 20464158]

約数ペア:

[(1, 20464158), (2, 10232079), (3, 6821386), (6, 3410693), (11, 1860378), (13, 1574166), (17, 1203774), (22, 930189), (23, 889746), (26, 787083), (33, 620126), (34, 601887), (39, 524722), (46, 444873), (51, 401258), (61, 335478), (66, 310063), (69, 296582), (78, 262361), (102, 200629), (122, 167739), (138, 148291), (143, 143106), (183, 111826), (187, 109434), (221, 92598), (253, 80886), (286, 71553), (299, 68442), (366, 55913), (374, 54717), (391, 52338), (429, 47702), (442, 46299), (506, 40443), (561, 36478), (598, 34221), (663, 30866), (671, 30498), (759, 26962), (782, 26169), (793, 25806), (858, 23851), (897, 22814), (1037, 19734), (1122, 18239), (1173, 17446), (1326, 15433), (1342, 15249), (1403, 14586), (1518, 13481), (1586, 12903), (1794, 11407), (2013, 10166), (2074, 9867), (2346, 8723), (2379, 8602), (2431, 8418), (2806, 7293), (3111, 6578), (3289, 6222), (4026, 5083), (4209, 4862), (4301, 4758)]