20991363048

素因数分解:

$2^3\times 3^2\times {\mathrm{291546709}}^1$

素因数の和:291546721

約数の個数: 24

約数和(自身を含む): 56851608450

約数和(自身を除く): 35860245402

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291546709, 583093418, 874640127, 1166186836, 1749280254, 2332373672, 2623920381, 3498560508, 5247840762, 6997121016, 10495681524, 20991363048]

約数ペア:

[(1, 20991363048), (2, 10495681524), (3, 6997121016), (4, 5247840762), (6, 3498560508), (8, 2623920381), (9, 2332373672), (12, 1749280254), (18, 1166186836), (24, 874640127), (36, 583093418), (72, 291546709)]