20197845

素因数分解:

$3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1223}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 35133696

約数和(自身を除く): 14935851

約数列:

[1, 3, 5, 9, 15, 45, 367, 1101, 1223, 1835, 3303, 3669, 5505, 6115, 11007, 16515, 18345, 55035, 448841, 1346523, 2244205, 4039569, 6732615, 20197845]

約数ペア:

[(1, 20197845), (3, 6732615), (5, 4039569), (9, 2244205), (15, 1346523), (45, 448841), (367, 55035), (1101, 18345), (1223, 16515), (1835, 11007), (3303, 6115), (3669, 5505)]