20205940105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13515679}}^1$

素因数の和:13515720

約数の個数: 16

約数和(自身を含む): 27247610880

約数和(自身を除く): 7041670775

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13515679, 67578395, 175703827, 310860617, 878519135, 1554303085, 4041188021, 20205940105]

約数ペア:

[(1, 20205940105), (5, 4041188021), (13, 1554303085), (23, 878519135), (65, 310860617), (115, 175703827), (299, 67578395), (1495, 13515679)]