20773194

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27126966

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 107, 114, 131, 214, 247, 262, 321, 393, 494, 642, 741, 786, 1391, 1482, 1703, 2033, 2489, 2782, 3406, 4066, 4173, 4978, 5109, 6099, 7467, 8346, 10218, 12198, 14017, 14934, 26429, 28034, 32357, 42051, 52858, 64714, 79287, 84102, 97071, 158574, 182221, 194142, 266323, 364442, 532646, 546663, 798969, 1093326, 1597938, 3462199, 6924398, 10386597, 20773194]

約数ペア:

[(1, 20773194), (2, 10386597), (3, 6924398), (6, 3462199), (13, 1597938), (19, 1093326), (26, 798969), (38, 546663), (39, 532646), (57, 364442), (78, 266323), (107, 194142), (114, 182221), (131, 158574), (214, 97071), (247, 84102), (262, 79287), (321, 64714), (393, 52858), (494, 42051), (642, 32357), (741, 28034), (786, 26429), (1391, 14934), (1482, 14017), (1703, 12198), (2033, 10218), (2489, 8346), (2782, 7467), (3406, 6099), (4066, 5109), (4173, 4978)]