20882654

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2052

約数の個数: 24

約数和(自身を含む): 35030592

約数和(自身を除く): 14147938

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 1993, 3986, 5239, 10478, 25909, 51818, 61783, 123566, 336817, 673634, 803179, 1606358, 10441327, 20882654]

約数ペア:

[(1, 20882654), (2, 10441327), (13, 1606358), (26, 803179), (31, 673634), (62, 336817), (169, 123566), (338, 61783), (403, 51818), (806, 25909), (1993, 10478), (3986, 5239)]