20876764

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{5431}}^1$

素因数の和:5497

約数の個数: 18

約数和(自身を含む): 37757832

約数和(自身を除く): 16881068

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 5431, 10862, 21724, 168361, 336722, 673444, 5219191, 10438382, 20876764]

約数ペア:

[(1, 20876764), (2, 10438382), (4, 5219191), (31, 673444), (62, 336722), (124, 168361), (961, 21724), (1922, 10862), (3844, 5431)]