20486145

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8699}}^1$

素因数の和:8864

約数の個数: 16

約数和(自身を含む): 32990400

約数和(自身を除く): 12504255

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 8699, 26097, 43495, 130485, 1365743, 4097229, 6828715, 20486145]

約数ペア:

[(1, 20486145), (3, 6828715), (5, 4097229), (15, 1365743), (157, 130485), (471, 43495), (785, 26097), (2355, 8699)]