20173049955

素因数分解:

$3^2\times 5^1\times {\mathrm{15971}}^1\times {\mathrm{28069}}^1$

素因数の和:44051

約数の個数: 24

約数和(自身を含む): 34970055120

約数和(自身を除く): 14797005165

約数列:

[1, 3, 5, 9, 15, 45, 15971, 28069, 47913, 79855, 84207, 140345, 143739, 239565, 252621, 421035, 718695, 1263105, 448289999, 1344869997, 2241449995, 4034609991, 6724349985, 20173049955]

約数ペア:

[(1, 20173049955), (3, 6724349985), (5, 4034609991), (9, 2241449995), (15, 1344869997), (45, 448289999), (15971, 1263105), (28069, 718695), (47913, 421035), (79855, 252621), (84207, 239565), (140345, 143739)]