20542446

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{12823}}^1$

素因数の和:12920

約数の個数: 24

約数和(自身を含む): 45012240

約数和(自身を除く): 24469794

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 12823, 25646, 38469, 76938, 115407, 230814, 1141247, 2282494, 3423741, 6847482, 10271223, 20542446]

約数ペア:

[(1, 20542446), (2, 10271223), (3, 6847482), (6, 3423741), (9, 2282494), (18, 1141247), (89, 230814), (178, 115407), (267, 76938), (534, 38469), (801, 25646), (1602, 12823)]