20611404

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 62060544

約数和(自身を除く): 41449140

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 31, 33, 36, 44, 46, 62, 66, 69, 73, 92, 93, 99, 124, 132, 138, 146, 186, 198, 207, 219, 253, 276, 279, 292, 341, 372, 396, 414, 438, 506, 558, 657, 682, 713, 759, 803, 828, 876, 1012, 1023, 1116, 1314, 1364, 1426, 1518, 1606, 1679, 2046, 2139, 2263, 2277, 2409, 2628, 2852, 3036, 3069, 3212, 3358, 4092, 4278, 4526, 4554, 4818, 5037, 6138, 6417, 6716, 6789, 7227, 7843, 8556, 9052, 9108, 9636, 10074, 12276, 12834, 13578, 14454, 15111, 15686, 18469, 20148, 20367, 23529, 24893, 25668, 27156, 28908, 30222, 31372, 36938, 40734, 47058, 49786, 52049, 55407, 60444, 70587, 73876, 74679, 81468, 94116, 99572, 104098, 110814, 141174, 149358, 156147, 166221, 208196, 221628, 224037, 282348, 298716, 312294, 332442, 448074, 468441, 572539, 624588, 664884, 896148, 936882, 1145078, 1717617, 1873764, 2290156, 3435234, 5152851, 6870468, 10305702, 20611404]

約数ペア:

[(1, 20611404), (2, 10305702), (3, 6870468), (4, 5152851), (6, 3435234), (9, 2290156), (11, 1873764), (12, 1717617), (18, 1145078), (22, 936882), (23, 896148), (31, 664884), (33, 624588), (36, 572539), (44, 468441), (46, 448074), (62, 332442), (66, 312294), (69, 298716), (73, 282348), (92, 224037), (93, 221628), (99, 208196), (124, 166221), (132, 156147), (138, 149358), (146, 141174), (186, 110814), (198, 104098), (207, 99572), (219, 94116), (253, 81468), (276, 74679), (279, 73876), (292, 70587), (341, 60444), (372, 55407), (396, 52049), (414, 49786), (438, 47058), (506, 40734), (558, 36938), (657, 31372), (682, 30222), (713, 28908), (759, 27156), (803, 25668), (828, 24893), (876, 23529), (1012, 20367), (1023, 20148), (1116, 18469), (1314, 15686), (1364, 15111), (1426, 14454), (1518, 13578), (1606, 12834), (1679, 12276), (2046, 10074), (2139, 9636), (2263, 9108), (2277, 9052), (2409, 8556), (2628, 7843), (2852, 7227), (3036, 6789), (3069, 6716), (3212, 6417), (3358, 6138), (4092, 5037), (4278, 4818), (4526, 4554)]