20684884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1483}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 39640608

約数和(自身を除く): 18955724

約数列:

[1, 2, 4, 11, 22, 44, 317, 634, 1268, 1483, 2966, 3487, 5932, 6974, 13948, 16313, 32626, 65252, 470111, 940222, 1880444, 5171221, 10342442, 20684884]

約数ペア:

[(1, 20684884), (2, 10342442), (4, 5171221), (11, 1880444), (22, 940222), (44, 470111), (317, 65252), (634, 32626), (1268, 16313), (1483, 13948), (2966, 6974), (3487, 5932)]