20540968

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{6217}}^1$

素因数の和:6289

約数の個数: 32

約数和(自身を含む): 44769600

約数和(自身を除く): 24228632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 6217, 12434, 24868, 43519, 49736, 87038, 174076, 348152, 366803, 733606, 1467212, 2567621, 2934424, 5135242, 10270484, 20540968]

約数ペア:

[(1, 20540968), (2, 10270484), (4, 5135242), (7, 2934424), (8, 2567621), (14, 1467212), (28, 733606), (56, 366803), (59, 348152), (118, 174076), (236, 87038), (413, 49736), (472, 43519), (826, 24868), (1652, 12434), (3304, 6217)]