20726818

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1091}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17012702

約数列:

[1, 2, 7, 14, 23, 46, 59, 118, 161, 322, 413, 826, 1091, 1357, 2182, 2714, 7637, 9499, 15274, 18998, 25093, 50186, 64369, 128738, 175651, 351302, 450583, 901166, 1480487, 2960974, 10363409, 20726818]

約数ペア:

[(1, 20726818), (2, 10363409), (7, 2960974), (14, 1480487), (23, 901166), (46, 450583), (59, 351302), (118, 175651), (161, 128738), (322, 64369), (413, 50186), (826, 25093), (1091, 18998), (1357, 15274), (2182, 9499), (2714, 7637)]