20233471755

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{198047}}^1$

素因数の和:198208

約数の個数: 48

約数和(自身を含む): 37930152960

約数和(自身を除く): 17696681205

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 139, 147, 245, 417, 695, 735, 973, 2085, 2919, 4865, 6811, 14595, 20433, 34055, 102165, 198047, 594141, 990235, 1386329, 2970705, 4158987, 6931645, 9704303, 20794935, 27528533, 29112909, 48521515, 82585599, 137642665, 145564545, 192699731, 412927995, 578099193, 963498655, 1348898117, 2890495965, 4046694351, 6744490585, 20233471755]

約数ペア:

[(1, 20233471755), (3, 6744490585), (5, 4046694351), (7, 2890495965), (15, 1348898117), (21, 963498655), (35, 578099193), (49, 412927995), (105, 192699731), (139, 145564545), (147, 137642665), (245, 82585599), (417, 48521515), (695, 29112909), (735, 27528533), (973, 20794935), (2085, 9704303), (2919, 6931645), (4865, 4158987), (6811, 2970705), (14595, 1386329), (20433, 990235), (34055, 594141), (102165, 198047)]