20187631461

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{905803}}^1$

素因数の和:905865

約数の個数: 32

約数和(自身を含む): 31304586240

約数和(自身を除く): 11116954779

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 969, 1173, 1311, 7429, 22287, 905803, 2717409, 15398651, 17210257, 20833469, 46195953, 51630771, 62500407, 292574369, 354168973, 395835911, 877723107, 1062506919, 1187507733, 6729210487, 20187631461]

約数ペア:

[(1, 20187631461), (3, 6729210487), (17, 1187507733), (19, 1062506919), (23, 877723107), (51, 395835911), (57, 354168973), (69, 292574369), (323, 62500407), (391, 51630771), (437, 46195953), (969, 20833469), (1173, 17210257), (1311, 15398651), (7429, 2717409), (22287, 905803)]