20307637

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1427}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 4368203

約数列:

[1, 7, 19, 107, 133, 749, 1427, 2033, 9989, 14231, 27113, 152689, 189791, 1068823, 2901091, 20307637]

約数ペア:

[(1, 20307637), (7, 2901091), (19, 1068823), (107, 189791), (133, 152689), (749, 27113), (1427, 14231), (2033, 9989)]