20924404179

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{827}}^1\times {\mathrm{12421}}^1$

素因数の和:13355

約数の個数: 32

約数和(自身を含む): 32255064576

約数和(自身を除く): 11330660397

約数列:

[1, 3, 7, 21, 97, 291, 679, 827, 2037, 2481, 5789, 12421, 17367, 37263, 80219, 86947, 240657, 260841, 561533, 1204837, 1684599, 3614511, 8433859, 10272167, 25301577, 30816501, 71905169, 215715507, 996400199, 2989200597, 6974801393, 20924404179]

約数ペア:

[(1, 20924404179), (3, 6974801393), (7, 2989200597), (21, 996400199), (97, 215715507), (291, 71905169), (679, 30816501), (827, 25301577), (2037, 10272167), (2481, 8433859), (5789, 3614511), (12421, 1684599), (17367, 1204837), (37263, 561533), (80219, 260841), (86947, 240657)]