20319541

素因数分解:

${\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2490059

約数列:

[1, 11, 59, 131, 239, 649, 1441, 2629, 7729, 14101, 31309, 85019, 155111, 344399, 1847231, 20319541]

約数ペア:

[(1, 20319541), (11, 1847231), (59, 344399), (131, 155111), (239, 85019), (649, 31309), (1441, 14101), (2629, 7729)]