20905122

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497741}}^1$

素因数の和:497753

約数の個数: 16

約数和(自身を含む): 47783232

約数和(自身を除く): 26878110

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497741, 995482, 1493223, 2986446, 3484187, 6968374, 10452561, 20905122]

約数ペア:

[(1, 20905122), (2, 10452561), (3, 6968374), (6, 3484187), (7, 2986446), (14, 1493223), (21, 995482), (42, 497741)]