20090289

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 27391104

約数和(自身を除く): 7300815

約数列:

[1, 3, 61, 183, 311, 353, 933, 1059, 18971, 21533, 56913, 64599, 109783, 329349, 6696763, 20090289]

約数ペア:

[(1, 20090289), (3, 6696763), (61, 329349), (183, 109783), (311, 64599), (353, 56913), (933, 21533), (1059, 18971)]