20512652168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1879}}^1\times {\mathrm{71821}}^1$

素因数の和:73725

約数の個数: 32

約数和(自身を含む): 40507608000

約数和(自身を除く): 19994955832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1879, 3758, 7516, 15032, 35701, 71402, 71821, 142804, 143642, 285608, 287284, 574568, 1364599, 2729198, 5458396, 10916792, 134951659, 269903318, 539806636, 1079613272, 2564081521, 5128163042, 10256326084, 20512652168]

約数ペア:

[(1, 20512652168), (2, 10256326084), (4, 5128163042), (8, 2564081521), (19, 1079613272), (38, 539806636), (76, 269903318), (152, 134951659), (1879, 10916792), (3758, 5458396), (7516, 2729198), (15032, 1364599), (35701, 574568), (71402, 287284), (71821, 285608), (142804, 143642)]