20746518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13999}}^1$

素因数の和:14036

約数の個数: 32

約数和(自身を含む): 47040000

約数和(自身を除く): 26293482

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 13999, 27998, 41997, 83994, 181987, 265981, 363974, 531962, 545961, 797943, 1091922, 1595886, 3457753, 6915506, 10373259, 20746518]

約数ペア:

[(1, 20746518), (2, 10373259), (3, 6915506), (6, 3457753), (13, 1595886), (19, 1091922), (26, 797943), (38, 545961), (39, 531962), (57, 363974), (78, 265981), (114, 181987), (247, 83994), (494, 41997), (741, 27998), (1482, 13999)]