20461933436

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{109121}}^1$

素因数の和:109350

約数の個数: 48

約数和(自身を含む): 42262514112

約数和(自身を除く): 21800580676

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 181, 259, 362, 518, 724, 1036, 1267, 2534, 5068, 6697, 13394, 26788, 46879, 93758, 109121, 187516, 218242, 436484, 763847, 1527694, 3055388, 4037477, 8074954, 16149908, 19750901, 28262339, 39501802, 56524678, 79003604, 113049356, 138256307, 276512614, 553025228, 730783337, 1461566674, 2923133348, 5115483359, 10230966718, 20461933436]

約数ペア:

[(1, 20461933436), (2, 10230966718), (4, 5115483359), (7, 2923133348), (14, 1461566674), (28, 730783337), (37, 553025228), (74, 276512614), (148, 138256307), (181, 113049356), (259, 79003604), (362, 56524678), (518, 39501802), (724, 28262339), (1036, 19750901), (1267, 16149908), (2534, 8074954), (5068, 4037477), (6697, 3055388), (13394, 1527694), (26788, 763847), (46879, 436484), (93758, 218242), (109121, 187516)]