20855566

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{3907}}^1$

素因数の和:4083

約数の個数: 16

約数和(自身を含む): 33343056

約数和(自身を除く): 12487490

約数列:

[1, 2, 17, 34, 157, 314, 2669, 3907, 5338, 7814, 66419, 132838, 613399, 1226798, 10427783, 20855566]

約数ペア:

[(1, 20855566), (2, 10427783), (17, 1226798), (34, 613399), (157, 132838), (314, 66419), (2669, 7814), (3907, 5338)]