20125787745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{468641}}^1$

素因数の和:469065

約数の個数: 32

約数和(自身を含む): 36891498240

約数和(自身を除く): 16765710495

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 409, 1227, 2045, 2863, 6135, 8589, 14315, 42945, 468641, 1405923, 2343205, 3280487, 7029615, 9841461, 16402435, 49207305, 191674169, 575022507, 958370845, 1341719183, 2875112535, 4025157549, 6708595915, 20125787745]

約数ペア:

[(1, 20125787745), (3, 6708595915), (5, 4025157549), (7, 2875112535), (15, 1341719183), (21, 958370845), (35, 575022507), (105, 191674169), (409, 49207305), (1227, 16402435), (2045, 9841461), (2863, 7029615), (6135, 3280487), (8589, 2343205), (14315, 1405923), (42945, 468641)]