20950852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{617}}^1\times {\mathrm{653}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 39608856

約数和(自身を除く): 18658004

約数列:

[1, 2, 4, 13, 26, 52, 617, 653, 1234, 1306, 2468, 2612, 8021, 8489, 16042, 16978, 32084, 33956, 402901, 805802, 1611604, 5237713, 10475426, 20950852]

約数ペア:

[(1, 20950852), (2, 10475426), (4, 5237713), (13, 1611604), (26, 805802), (52, 402901), (617, 33956), (653, 32084), (1234, 16978), (1306, 16042), (2468, 8489), (2612, 8021)]