20804915945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{133241}}^1$

素因数の和:133441

約数の個数: 32

約数和(自身を含む): 29010514176

約数和(自身を除く): 8205598231

約数列:

[1, 5, 11, 17, 55, 85, 167, 187, 835, 935, 1837, 2839, 9185, 14195, 31229, 133241, 156145, 666205, 1465651, 2265097, 7328255, 11325485, 22251247, 24916067, 111256235, 124580335, 244763717, 378271199, 1223818585, 1891355995, 4160983189, 20804915945]

約数ペア:

[(1, 20804915945), (5, 4160983189), (11, 1891355995), (17, 1223818585), (55, 378271199), (85, 244763717), (167, 124580335), (187, 111256235), (835, 24916067), (935, 22251247), (1837, 11325485), (2839, 7328255), (9185, 2265097), (14195, 1465651), (31229, 666205), (133241, 156145)]