20654857435

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{325043}}^1$

素因数の和:325298

約数の個数: 16

約数和(自身を含む): 25275421440

約数和(自身を除く): 4620564005

約数列:

[1, 5, 71, 179, 355, 895, 12709, 63545, 325043, 1625215, 23078053, 58182697, 115390265, 290913485, 4130971487, 20654857435]

約数ペア:

[(1, 20654857435), (5, 4130971487), (71, 290913485), (179, 115390265), (355, 58182697), (895, 23078053), (12709, 1625215), (63545, 325043)]