20852615

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19219}}^1$

素因数の和:19262

約数の個数: 16

約数和(自身を含む): 29521920

約数和(自身を除く): 8669305

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 19219, 96095, 134533, 595789, 672665, 2978945, 4170523, 20852615]

約数ペア:

[(1, 20852615), (5, 4170523), (7, 2978945), (31, 672665), (35, 595789), (155, 134533), (217, 96095), (1085, 19219)]