20004764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1237}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 37853088

約数和(自身を除く): 17848324

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1237, 1244, 2474, 4043, 4948, 8086, 16081, 16172, 32162, 64324, 384707, 769414, 1538828, 5001191, 10002382, 20004764]

約数ペア:

[(1, 20004764), (2, 10002382), (4, 5001191), (13, 1538828), (26, 769414), (52, 384707), (311, 64324), (622, 32162), (1237, 16172), (1244, 16081), (2474, 8086), (4043, 4948)]