20178910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 37340352

約数和(自身を除く): 17161442

約数列:

[1, 2, 5, 10, 71, 97, 142, 194, 293, 355, 485, 586, 710, 970, 1465, 2930, 6887, 13774, 20803, 28421, 34435, 41606, 56842, 68870, 104015, 142105, 208030, 284210, 2017891, 4035782, 10089455, 20178910]

約数ペア:

[(1, 20178910), (2, 10089455), (5, 4035782), (10, 2017891), (71, 284210), (97, 208030), (142, 142105), (194, 104015), (293, 68870), (355, 56842), (485, 41606), (586, 34435), (710, 28421), (970, 20803), (1465, 13774), (2930, 6887)]