20576944

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5381}}^1$

素因数の和:5628

約数の個数: 20

約数和(自身を含む): 40042080

約数和(自身を除く): 19465136

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5381, 10762, 21524, 43048, 86096, 1286059, 2572118, 5144236, 10288472, 20576944]

約数ペア:

[(1, 20576944), (2, 10288472), (4, 5144236), (8, 2572118), (16, 1286059), (239, 86096), (478, 43048), (956, 21524), (1912, 10762), (3824, 5381)]