20378178

素因数分解:

$2^1\times 3^2\times {\mathrm{313}}^1\times {\mathrm{3617}}^1$

素因数の和:3938

約数の個数: 24

約数和(自身を含む): 44306028

約数和(自身を除く): 23927850

約数列:

[1, 2, 3, 6, 9, 18, 313, 626, 939, 1878, 2817, 3617, 5634, 7234, 10851, 21702, 32553, 65106, 1132121, 2264242, 3396363, 6792726, 10189089, 20378178]

約数ペア:

[(1, 20378178), (2, 10189089), (3, 6792726), (6, 3396363), (9, 2264242), (18, 1132121), (313, 65106), (626, 32553), (939, 21702), (1878, 10851), (2817, 7234), (3617, 5634)]