20710888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3989}}^1$

素因数の和:4065

約数の個数: 32

約数和(自身を含む): 43092000

約数和(自身を除く): 22381112

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 3989, 5192, 7978, 15956, 31912, 43879, 87758, 175516, 235351, 351032, 470702, 941404, 1882808, 2588861, 5177722, 10355444, 20710888]

約数ペア:

[(1, 20710888), (2, 10355444), (4, 5177722), (8, 2588861), (11, 1882808), (22, 941404), (44, 470702), (59, 351032), (88, 235351), (118, 175516), (236, 87758), (472, 43879), (649, 31912), (1298, 15956), (2596, 7978), (3989, 5192)]