20765932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{691}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 39759552

約数和(自身を除く): 18993620

約数列:

[1, 2, 4, 11, 22, 44, 683, 691, 1366, 1382, 2732, 2764, 7513, 7601, 15026, 15202, 30052, 30404, 471953, 943906, 1887812, 5191483, 10382966, 20765932]

約数ペア:

[(1, 20765932), (2, 10382966), (4, 5191483), (11, 1887812), (22, 943906), (44, 471953), (683, 30404), (691, 30052), (1366, 15202), (1382, 15026), (2732, 7601), (2764, 7513)]