20456844

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 33733236

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 47, 57, 69, 76, 83, 92, 94, 114, 138, 141, 166, 188, 228, 249, 276, 282, 332, 437, 498, 564, 874, 893, 996, 1081, 1311, 1577, 1748, 1786, 1909, 2162, 2622, 2679, 3154, 3243, 3572, 3818, 3901, 4324, 4731, 5244, 5358, 5727, 6308, 6486, 7636, 7802, 9462, 10716, 11454, 11703, 12972, 15604, 18924, 20539, 22908, 23406, 36271, 41078, 46812, 61617, 72542, 74119, 82156, 89723, 108813, 123234, 145084, 148238, 179446, 217626, 222357, 246468, 269169, 296476, 358892, 435252, 444714, 538338, 889428, 1076676, 1704737, 3409474, 5114211, 6818948, 10228422, 20456844]

約数ペア:

[(1, 20456844), (2, 10228422), (3, 6818948), (4, 5114211), (6, 3409474), (12, 1704737), (19, 1076676), (23, 889428), (38, 538338), (46, 444714), (47, 435252), (57, 358892), (69, 296476), (76, 269169), (83, 246468), (92, 222357), (94, 217626), (114, 179446), (138, 148238), (141, 145084), (166, 123234), (188, 108813), (228, 89723), (249, 82156), (276, 74119), (282, 72542), (332, 61617), (437, 46812), (498, 41078), (564, 36271), (874, 23406), (893, 22908), (996, 20539), (1081, 18924), (1311, 15604), (1577, 12972), (1748, 11703), (1786, 11454), (1909, 10716), (2162, 9462), (2622, 7802), (2679, 7636), (3154, 6486), (3243, 6308), (3572, 5727), (3818, 5358), (3901, 5244), (4324, 4731)]