20804259

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2267}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14032221

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2267, 3059, 6801, 9177, 15869, 43073, 47607, 52141, 129219, 156423, 301511, 364987, 904533, 990679, 1094961, 2972037, 6934753, 20804259]

約数ペア:

[(1, 20804259), (3, 6934753), (7, 2972037), (19, 1094961), (21, 990679), (23, 904533), (57, 364987), (69, 301511), (133, 156423), (161, 129219), (399, 52141), (437, 47607), (483, 43073), (1311, 15869), (2267, 9177), (3059, 6801)]