20686572069

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{5416751}}^1$

素因数の和:5416840

約数の個数: 16

約数和(自身を含む): 29467130880

約数和(自身を除く): 8780558811

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 5416751, 16250253, 102918269, 308754807, 362922317, 1088766951, 6895524023, 20686572069]

約数ペア:

[(1, 20686572069), (3, 6895524023), (19, 1088766951), (57, 362922317), (67, 308754807), (201, 102918269), (1273, 16250253), (3819, 5416751)]