20804562

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 46545408

約数和(自身を除く): 25740846

約数列:

[1, 2, 3, 6, 9, 18, 71, 73, 142, 146, 213, 219, 223, 426, 438, 446, 639, 657, 669, 1278, 1314, 1338, 2007, 4014, 5183, 10366, 15549, 15833, 16279, 31098, 31666, 32558, 46647, 47499, 48837, 93294, 94998, 97674, 142497, 146511, 284994, 293022, 1155809, 2311618, 3467427, 6934854, 10402281, 20804562]

約数ペア:

[(1, 20804562), (2, 10402281), (3, 6934854), (6, 3467427), (9, 2311618), (18, 1155809), (71, 293022), (73, 284994), (142, 146511), (146, 142497), (213, 97674), (219, 94998), (223, 93294), (426, 48837), (438, 47499), (446, 46647), (639, 32558), (657, 31666), (669, 31098), (1278, 16279), (1314, 15833), (1338, 15549), (2007, 10366), (4014, 5183)]