20306118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 48591360

約数和(自身を除く): 28285242

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 73, 74, 111, 146, 179, 219, 222, 259, 358, 438, 511, 518, 537, 777, 1022, 1074, 1253, 1533, 1554, 2506, 2701, 3066, 3759, 5402, 6623, 7518, 8103, 13067, 13246, 16206, 18907, 19869, 26134, 37814, 39201, 39738, 46361, 56721, 78402, 91469, 92722, 113442, 139083, 182938, 274407, 278166, 483479, 548814, 966958, 1450437, 2900874, 3384353, 6768706, 10153059, 20306118]

約数ペア:

[(1, 20306118), (2, 10153059), (3, 6768706), (6, 3384353), (7, 2900874), (14, 1450437), (21, 966958), (37, 548814), (42, 483479), (73, 278166), (74, 274407), (111, 182938), (146, 139083), (179, 113442), (219, 92722), (222, 91469), (259, 78402), (358, 56721), (438, 46361), (511, 39738), (518, 39201), (537, 37814), (777, 26134), (1022, 19869), (1074, 18907), (1253, 16206), (1533, 13246), (1554, 13067), (2506, 8103), (2701, 7518), (3066, 6623), (3759, 5402)]