20299081

素因数分解:

${\mathrm{11}}^3\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 16

約数和(自身を含む): 22697856

約数和(自身を除く): 2398775

約数列:

[1, 11, 101, 121, 151, 1111, 1331, 1661, 12221, 15251, 18271, 134431, 167761, 200981, 1845371, 20299081]

約数ペア:

[(1, 20299081), (11, 1845371), (101, 200981), (121, 167761), (151, 134431), (1111, 18271), (1331, 15251), (1661, 12221)]