20807698

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1051}}^1$

素因数の和:1593

約数の個数: 16

約数和(自身を含む): 32948640

約数和(自身を除く): 12140942

約数列:

[1, 2, 19, 38, 521, 1042, 1051, 2102, 9899, 19798, 19969, 39938, 547571, 1095142, 10403849, 20807698]

約数ペア:

[(1, 20807698), (2, 10403849), (19, 1095142), (38, 547571), (521, 39938), (1042, 19969), (1051, 19798), (2102, 9899)]