20347448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3919}}^1$

素因数の和:3995

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 21988552

約数列:

[1, 2, 4, 8, 11, 22, 44, 59, 88, 118, 236, 472, 649, 1298, 2596, 3919, 5192, 7838, 15676, 31352, 43109, 86218, 172436, 231221, 344872, 462442, 924884, 1849768, 2543431, 5086862, 10173724, 20347448]

約数ペア:

[(1, 20347448), (2, 10173724), (4, 5086862), (8, 2543431), (11, 1849768), (22, 924884), (44, 462442), (59, 344872), (88, 231221), (118, 172436), (236, 86218), (472, 43109), (649, 31352), (1298, 15676), (2596, 7838), (3919, 5192)]