20787382

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{389}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 18299978

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 347, 389, 694, 778, 2429, 2723, 3817, 4279, 4858, 5446, 7634, 8558, 26719, 29953, 53438, 59906, 134983, 269966, 944881, 1484813, 1889762, 2969626, 10393691, 20787382]

約数ペア:

[(1, 20787382), (2, 10393691), (7, 2969626), (11, 1889762), (14, 1484813), (22, 944881), (77, 269966), (154, 134983), (347, 59906), (389, 53438), (694, 29953), (778, 26719), (2429, 8558), (2723, 7634), (3817, 5446), (4279, 4858)]