20168703952

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{61141}}^1$

素因数の和:61591

約数の個数: 40

約数和(自身を含む): 39917166120

約数和(自身を除く): 19748462168

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 389, 424, 778, 848, 1556, 3112, 6224, 20617, 41234, 61141, 82468, 122282, 164936, 244564, 329872, 489128, 978256, 3240473, 6480946, 12961892, 23783849, 25923784, 47567698, 51847568, 95135396, 190270792, 380541584, 1260543997, 2521087994, 5042175988, 10084351976, 20168703952]

約数ペア:

[(1, 20168703952), (2, 10084351976), (4, 5042175988), (8, 2521087994), (16, 1260543997), (53, 380541584), (106, 190270792), (212, 95135396), (389, 51847568), (424, 47567698), (778, 25923784), (848, 23783849), (1556, 12961892), (3112, 6480946), (6224, 3240473), (20617, 978256), (41234, 489128), (61141, 329872), (82468, 244564), (122282, 164936)]