20176018912

素因数分解:

$2^5\times 7^2\times {\mathrm{2887}}^1\times {\mathrm{4457}}^1$

素因数の和:7368

約数の個数: 72

約数和(自身を含む): 46233062064

約数和(自身を除く): 26057043152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 2887, 4457, 5774, 8914, 11548, 17828, 20209, 23096, 31199, 35656, 40418, 46192, 62398, 71312, 80836, 92384, 124796, 141463, 142624, 161672, 218393, 249592, 282926, 323344, 436786, 499184, 565852, 646688, 873572, 998368, 1131704, 1747144, 2263408, 3494288, 4526816, 6988576, 12867359, 25734718, 51469436, 90071513, 102938872, 180143026, 205877744, 360286052, 411755488, 630500591, 720572104, 1261001182, 1441144208, 2522002364, 2882288416, 5044004728, 10088009456, 20176018912]

約数ペア:

[(1, 20176018912), (2, 10088009456), (4, 5044004728), (7, 2882288416), (8, 2522002364), (14, 1441144208), (16, 1261001182), (28, 720572104), (32, 630500591), (49, 411755488), (56, 360286052), (98, 205877744), (112, 180143026), (196, 102938872), (224, 90071513), (392, 51469436), (784, 25734718), (1568, 12867359), (2887, 6988576), (4457, 4526816), (5774, 3494288), (8914, 2263408), (11548, 1747144), (17828, 1131704), (20209, 998368), (23096, 873572), (31199, 646688), (35656, 565852), (40418, 499184), (46192, 436786), (62398, 323344), (71312, 282926), (80836, 249592), (92384, 218393), (124796, 161672), (141463, 142624)]