20907338

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:733

約数の個数: 16

約数和(自身を含む): 31838400

約数和(自身を除く): 10931062

約数列:

[1, 2, 131, 199, 262, 398, 401, 802, 26069, 52138, 52531, 79799, 105062, 159598, 10453669, 20907338]

約数ペア:

[(1, 20907338), (2, 10453669), (131, 159598), (199, 105062), (262, 79799), (398, 52531), (401, 52138), (802, 26069)]