20986088

素因数分解:

$2^3\times {\mathrm{1231}}^1\times {\mathrm{2131}}^1$

素因数の和:3368

約数の個数: 16

約数和(自身を含む): 39399360

約数和(自身を除く): 18413272

約数列:

[1, 2, 4, 8, 1231, 2131, 2462, 4262, 4924, 8524, 9848, 17048, 2623261, 5246522, 10493044, 20986088]

約数ペア:

[(1, 20986088), (2, 10493044), (4, 5246522), (8, 2623261), (1231, 17048), (2131, 9848), (2462, 8524), (4262, 4924)]