20030822

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15911578

約数列:

[1, 2, 7, 14, 29, 58, 103, 203, 206, 406, 479, 721, 958, 1442, 2987, 3353, 5974, 6706, 13891, 20909, 27782, 41818, 49337, 97237, 98674, 194474, 345359, 690718, 1430773, 2861546, 10015411, 20030822]

約数ペア:

[(1, 20030822), (2, 10015411), (7, 2861546), (14, 1430773), (29, 690718), (58, 345359), (103, 194474), (203, 98674), (206, 97237), (406, 49337), (479, 41818), (721, 27782), (958, 20909), (1442, 13891), (2987, 6706), (3353, 5974)]