20663462

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:691

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 10786138

約数列:

[1, 2, 139, 239, 278, 311, 478, 622, 33221, 43229, 66442, 74329, 86458, 148658, 10331731, 20663462]

約数ペア:

[(1, 20663462), (2, 10331731), (139, 148658), (239, 86458), (278, 74329), (311, 66442), (478, 43229), (622, 33221)]