20053820144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40431089}}^1$

素因数の和:40431128

約数の個数: 20

約数和(自身を含む): 40107641280

約数和(自身を除く): 20053821136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40431089, 80862178, 161724356, 323448712, 646897424, 1253363759, 2506727518, 5013455036, 10026910072, 20053820144]

約数ペア:

[(1, 20053820144), (2, 10026910072), (4, 5013455036), (8, 2506727518), (16, 1253363759), (31, 646897424), (62, 323448712), (124, 161724356), (248, 80862178), (496, 40431089)]