20287928

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{14011}}^1$

素因数の和:14198

約数の個数: 16

約数和(自身を含む): 38252760

約数和(自身を除く): 17964832

約数列:

[1, 2, 4, 8, 181, 362, 724, 1448, 14011, 28022, 56044, 112088, 2535991, 5071982, 10143964, 20287928]

約数ペア:

[(1, 20287928), (2, 10143964), (4, 5071982), (8, 2535991), (181, 112088), (362, 56044), (724, 28022), (1448, 14011)]