20879074

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:741

約数の個数: 16

約数和(自身を含む): 31796856

約数和(自身を除く): 10917782

約数列:

[1, 2, 137, 181, 274, 362, 421, 842, 24797, 49594, 57677, 76201, 115354, 152402, 10439537, 20879074]

約数ペア:

[(1, 20879074), (2, 10439537), (137, 152402), (181, 115354), (274, 76201), (362, 57677), (421, 49594), (842, 24797)]