20483892

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 63842688

約数和(自身を除く): 43358796

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 23, 26, 33, 36, 39, 44, 46, 52, 66, 69, 78, 92, 99, 117, 132, 138, 143, 156, 173, 198, 207, 234, 253, 276, 286, 299, 346, 396, 414, 429, 468, 506, 519, 572, 598, 692, 759, 828, 858, 897, 1012, 1038, 1196, 1287, 1518, 1557, 1716, 1794, 1903, 2076, 2249, 2277, 2574, 2691, 3036, 3114, 3289, 3588, 3806, 3979, 4498, 4554, 5148, 5382, 5709, 6228, 6578, 6747, 7612, 7958, 8996, 9108, 9867, 10764, 11418, 11937, 13156, 13494, 15916, 17127, 19734, 20241, 22836, 23874, 24739, 26988, 29601, 34254, 35811, 39468, 40482, 43769, 47748, 49478, 51727, 59202, 68508, 71622, 74217, 80964, 87538, 98956, 103454, 118404, 131307, 143244, 148434, 155181, 175076, 206908, 222651, 262614, 296868, 310362, 393921, 445302, 465543, 525228, 568997, 620724, 787842, 890604, 931086, 1137994, 1575684, 1706991, 1862172, 2275988, 3413982, 5120973, 6827964, 10241946, 20483892]

約数ペア:

[(1, 20483892), (2, 10241946), (3, 6827964), (4, 5120973), (6, 3413982), (9, 2275988), (11, 1862172), (12, 1706991), (13, 1575684), (18, 1137994), (22, 931086), (23, 890604), (26, 787842), (33, 620724), (36, 568997), (39, 525228), (44, 465543), (46, 445302), (52, 393921), (66, 310362), (69, 296868), (78, 262614), (92, 222651), (99, 206908), (117, 175076), (132, 155181), (138, 148434), (143, 143244), (156, 131307), (173, 118404), (198, 103454), (207, 98956), (234, 87538), (253, 80964), (276, 74217), (286, 71622), (299, 68508), (346, 59202), (396, 51727), (414, 49478), (429, 47748), (468, 43769), (506, 40482), (519, 39468), (572, 35811), (598, 34254), (692, 29601), (759, 26988), (828, 24739), (858, 23874), (897, 22836), (1012, 20241), (1038, 19734), (1196, 17127), (1287, 15916), (1518, 13494), (1557, 13156), (1716, 11937), (1794, 11418), (1903, 10764), (2076, 9867), (2249, 9108), (2277, 8996), (2574, 7958), (2691, 7612), (3036, 6747), (3114, 6578), (3289, 6228), (3588, 5709), (3806, 5382), (3979, 5148), (4498, 4554)]