20275563

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12539}}^1$

素因数の和:12567

約数の個数: 24

約数和(自身を含む): 34309440

約数和(自身を除く): 14033877

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12539, 37617, 87773, 137929, 263319, 413787, 614411, 965503, 1843233, 2896509, 6758521, 20275563]

約数ペア:

[(1, 20275563), (3, 6758521), (7, 2896509), (11, 1843233), (21, 965503), (33, 614411), (49, 413787), (77, 263319), (147, 137929), (231, 87773), (539, 37617), (1617, 12539)]