20756788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9283}}^1$

素因数の和:9343

約数の個数: 24

約数和(自身を含む): 40032608

約数和(自身を除く): 19275820

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9283, 18566, 37132, 120679, 241358, 399169, 482716, 798338, 1596676, 5189197, 10378394, 20756788]

約数ペア:

[(1, 20756788), (2, 10378394), (4, 5189197), (13, 1596676), (26, 798338), (43, 482716), (52, 399169), (86, 241358), (172, 120679), (559, 37132), (1118, 18566), (2236, 9283)]