20180642

素因数分解:

$2^1\times {\mathrm{631}}^1\times {\mathrm{15991}}^1$

素因数の和:16624

約数の個数: 8

約数和(自身を含む): 30320832

約数和(自身を除く): 10140190

約数列:

[1, 2, 631, 1262, 15991, 31982, 10090321, 20180642]

約数ペア:

[(1, 20180642), (2, 10090321), (631, 31982), (1262, 15991)]