20791130949

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{409}}^1\times {\mathrm{8597}}^1$

素因数の和:9091

約数の個数: 40

約数和(自身を含む): 31564461720

約数和(自身を除く): 10773330771

約数列:

[1, 3, 9, 27, 73, 81, 219, 409, 657, 1227, 1971, 3681, 5913, 8597, 11043, 25791, 29857, 33129, 77373, 89571, 232119, 268713, 627581, 696357, 806139, 1882743, 2418417, 3516173, 5648229, 10548519, 16944687, 31645557, 50834061, 94936671, 256680629, 284810013, 770041887, 2310125661, 6930376983, 20791130949]

約数ペア:

[(1, 20791130949), (3, 6930376983), (9, 2310125661), (27, 770041887), (73, 284810013), (81, 256680629), (219, 94936671), (409, 50834061), (657, 31645557), (1227, 16944687), (1971, 10548519), (3681, 5648229), (5913, 3516173), (8597, 2418417), (11043, 1882743), (25791, 806139), (29857, 696357), (33129, 627581), (77373, 268713), (89571, 232119)]