20697996

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{5407}}^1$

素因数の和:5454

約数の個数: 48

約数和(自身を含む): 54512640

約数和(自身を除く): 33814644

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 132, 174, 319, 348, 638, 957, 1276, 1914, 3828, 5407, 10814, 16221, 21628, 32442, 59477, 64884, 118954, 156803, 178431, 237908, 313606, 356862, 470409, 627212, 713724, 940818, 1724833, 1881636, 3449666, 5174499, 6899332, 10348998, 20697996]

約数ペア:

[(1, 20697996), (2, 10348998), (3, 6899332), (4, 5174499), (6, 3449666), (11, 1881636), (12, 1724833), (22, 940818), (29, 713724), (33, 627212), (44, 470409), (58, 356862), (66, 313606), (87, 237908), (116, 178431), (132, 156803), (174, 118954), (319, 64884), (348, 59477), (638, 32442), (957, 21628), (1276, 16221), (1914, 10814), (3828, 5407)]