20754041

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 26429760

約数和(自身を除く): 5675719

約数列:

[1, 7, 11, 77, 107, 121, 229, 749, 847, 1177, 1603, 2519, 8239, 12947, 17633, 24503, 27709, 90629, 171521, 193963, 269533, 1886731, 2964863, 20754041]

約数ペア:

[(1, 20754041), (7, 2964863), (11, 1886731), (77, 269533), (107, 193963), (121, 171521), (229, 90629), (749, 27709), (847, 24503), (1177, 17633), (1603, 12947), (2519, 8239)]