20346872553

素因数分解:

$3^2\times 7^2\times {\mathrm{46138033}}^1$

素因数の和:46138053

約数の個数: 18

約数和(自身を含む): 34188283194

約数和(自身を除く): 13841410641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 46138033, 138414099, 322966231, 415242297, 968898693, 2260763617, 2906696079, 6782290851, 20346872553]

約数ペア:

[(1, 20346872553), (3, 6782290851), (7, 2906696079), (9, 2260763617), (21, 968898693), (49, 415242297), (63, 322966231), (147, 138414099), (441, 46138033)]