20172857656

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1810199}}^1$

素因数の和:1810411

約数の個数: 32

約数和(自身を含む): 43444800000

約数和(自身を除く): 23271942344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 11144, 1810199, 3620398, 7240796, 12671393, 14481592, 25342786, 50685572, 101371144, 360229601, 720459202, 1440918404, 2521607207, 2881836808, 5043214414, 10086428828, 20172857656]

約数ペア:

[(1, 20172857656), (2, 10086428828), (4, 5043214414), (7, 2881836808), (8, 2521607207), (14, 1440918404), (28, 720459202), (56, 360229601), (199, 101371144), (398, 50685572), (796, 25342786), (1393, 14481592), (1592, 12671393), (2786, 7240796), (5572, 3620398), (11144, 1810199)]