20198892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 56723968

約数和(自身を除く): 36525076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 67, 74, 84, 97, 111, 134, 148, 194, 201, 222, 259, 268, 291, 388, 402, 444, 469, 518, 582, 679, 777, 804, 938, 1036, 1164, 1358, 1407, 1554, 1876, 2037, 2479, 2716, 2814, 3108, 3589, 4074, 4958, 5628, 6499, 7178, 7437, 8148, 9916, 10767, 12998, 14356, 14874, 17353, 19497, 21534, 25123, 25996, 29748, 34706, 38994, 43068, 45493, 50246, 52059, 69412, 75369, 77988, 90986, 100492, 104118, 136479, 150738, 181972, 208236, 240463, 272958, 301476, 480926, 545916, 721389, 961852, 1442778, 1683241, 2885556, 3366482, 5049723, 6732964, 10099446, 20198892]

約数ペア:

[(1, 20198892), (2, 10099446), (3, 6732964), (4, 5049723), (6, 3366482), (7, 2885556), (12, 1683241), (14, 1442778), (21, 961852), (28, 721389), (37, 545916), (42, 480926), (67, 301476), (74, 272958), (84, 240463), (97, 208236), (111, 181972), (134, 150738), (148, 136479), (194, 104118), (201, 100492), (222, 90986), (259, 77988), (268, 75369), (291, 69412), (388, 52059), (402, 50246), (444, 45493), (469, 43068), (518, 38994), (582, 34706), (679, 29748), (777, 25996), (804, 25123), (938, 21534), (1036, 19497), (1164, 17353), (1358, 14874), (1407, 14356), (1554, 12998), (1876, 10767), (2037, 9916), (2479, 8148), (2716, 7437), (2814, 7178), (3108, 6499), (3589, 5628), (4074, 4958)]