20280066

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 22297854

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 223, 446, 659, 669, 1318, 1338, 1977, 3954, 5129, 10258, 15157, 15387, 30314, 30774, 45471, 90942, 146957, 293914, 440871, 881742, 3380011, 6760022, 10140033, 20280066]

約数ペア:

[(1, 20280066), (2, 10140033), (3, 6760022), (6, 3380011), (23, 881742), (46, 440871), (69, 293914), (138, 146957), (223, 90942), (446, 45471), (659, 30774), (669, 30314), (1318, 15387), (1338, 15157), (1977, 10258), (3954, 5129)]