20566245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{195869}}^1$

素因数の和:195884

約数の個数: 16

約数和(自身を含む): 37607040

約数和(自身を除く): 17040795

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 195869, 587607, 979345, 1371083, 2938035, 4113249, 6855415, 20566245]

約数ペア:

[(1, 20566245), (3, 6855415), (5, 4113249), (7, 2938035), (15, 1371083), (21, 979345), (35, 587607), (105, 195869)]