20112170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2179}}^1$

素因数の和:2270

約数の個数: 32

約数和(自身を含む): 39553920

約数和(自身を除く): 19441750

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2179, 4358, 4615, 9230, 10895, 21790, 28327, 56654, 141635, 154709, 283270, 309418, 773545, 1547090, 2011217, 4022434, 10056085, 20112170]

約数ペア:

[(1, 20112170), (2, 10056085), (5, 4022434), (10, 2011217), (13, 1547090), (26, 773545), (65, 309418), (71, 283270), (130, 154709), (142, 141635), (355, 56654), (710, 28327), (923, 21790), (1846, 10895), (2179, 9230), (4358, 4615)]