20207469

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6689}}^1$

素因数の和:6764

約数の個数: 16

約数和(自身を含む): 28900800

約数和(自身を除く): 8693331

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6689, 20067, 127091, 354517, 381273, 1063551, 6735823, 20207469]

約数ペア:

[(1, 20207469), (3, 6735823), (19, 1063551), (53, 381273), (57, 354517), (159, 127091), (1007, 20067), (3021, 6689)]