20940170

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7727}}^1$

素因数の和:8005

約数の個数: 16

約数和(自身を含む): 37836288

約数和(自身を除く): 16896118

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 7727, 15454, 38635, 77270, 2094017, 4188034, 10470085, 20940170]

約数ペア:

[(1, 20940170), (2, 10470085), (5, 4188034), (10, 2094017), (271, 77270), (542, 38635), (1355, 15454), (2710, 7727)]