20723691

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1\times {\mathrm{613}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 28293120

約数和(自身を除く): 7569429

約数列:

[1, 3, 59, 177, 191, 573, 613, 1839, 11269, 33807, 36167, 108501, 117083, 351249, 6907897, 20723691]

約数ペア:

[(1, 20723691), (3, 6907897), (59, 351249), (177, 117083), (191, 108501), (573, 36167), (613, 33807), (1839, 11269)]