20577885417

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{1979}}^1\times {\mathrm{21799}}^1$

素因数の和:23837

約数の個数: 24

約数和(自身を含む): 30301128000

約数和(自身を除く): 9723242583

約数列:

[1, 3, 9, 53, 159, 477, 1979, 5937, 17811, 21799, 65397, 104887, 196191, 314661, 943983, 1155347, 3466041, 10398123, 43140221, 129420663, 388261989, 2286431713, 6859295139, 20577885417]

約数ペア:

[(1, 20577885417), (3, 6859295139), (9, 2286431713), (53, 388261989), (159, 129420663), (477, 43140221), (1979, 10398123), (5937, 3466041), (17811, 1155347), (21799, 943983), (65397, 314661), (104887, 196191)]