20193369988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1\times {\mathrm{6997}}^1$

素因数の和:7732

約数の個数: 48

約数和(自身を含む): 38980315584

約数和(自身を除く): 18786945596

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 613, 1177, 1226, 2354, 2452, 4708, 6743, 6997, 13486, 13994, 26972, 27988, 65591, 76967, 131182, 153934, 262364, 307868, 721501, 748679, 1443002, 1497358, 2886004, 2994716, 4289161, 8235469, 8578322, 16470938, 17156644, 32941876, 47180771, 94361542, 188723084, 458940227, 917880454, 1835760908, 5048342497, 10096684994, 20193369988]

約数ペア:

[(1, 20193369988), (2, 10096684994), (4, 5048342497), (11, 1835760908), (22, 917880454), (44, 458940227), (107, 188723084), (214, 94361542), (428, 47180771), (613, 32941876), (1177, 17156644), (1226, 16470938), (2354, 8578322), (2452, 8235469), (4708, 4289161), (6743, 2994716), (6997, 2886004), (13486, 1497358), (13994, 1443002), (26972, 748679), (27988, 721501), (65591, 307868), (76967, 262364), (131182, 153934)]