20053239

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{4349}}^1$

素因数の和:4434

約数の個数: 16

約数和(自身を含む): 28188000

約数和(自身を除く): 8134761

約数列:

[1, 3, 29, 53, 87, 159, 1537, 4349, 4611, 13047, 126121, 230497, 378363, 691491, 6684413, 20053239]

約数ペア:

[(1, 20053239), (3, 6684413), (29, 691491), (53, 378363), (87, 230497), (159, 126121), (1537, 13047), (4349, 4611)]