20763897

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12841}}^1$

素因数の和:12869

約数の個数: 24

約数和(自身を含む): 35135712

約数和(自身を除く): 14371815

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12841, 38523, 89887, 141251, 269661, 423753, 629209, 988757, 1887627, 2966271, 6921299, 20763897]

約数ペア:

[(1, 20763897), (3, 6921299), (7, 2966271), (11, 1887627), (21, 988757), (33, 629209), (49, 423753), (77, 269661), (147, 141251), (231, 89887), (539, 38523), (1617, 12841)]