20452839

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{19993}}^1$

素因数の和:20038

約数の個数: 16

約数和(自身を含む): 30710784

約数和(自身を除く): 10257945

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 19993, 59979, 219923, 619783, 659769, 1859349, 6817613, 20452839]

約数ペア:

[(1, 20452839), (3, 6817613), (11, 1859349), (31, 659769), (33, 619783), (93, 219923), (341, 59979), (1023, 19993)]