20161851768

素因数分解:

$2^3\times 3^2\times {\mathrm{971}}^1\times {\mathrm{288389}}^1$

素因数の和:289372

約数の個数: 48

約数和(自身を含む): 54661440600

約数和(自身を除く): 34499588832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 971, 1942, 2913, 3884, 5826, 7768, 8739, 11652, 17478, 23304, 34956, 69912, 288389, 576778, 865167, 1153556, 1730334, 2307112, 2595501, 3460668, 5191002, 6921336, 10382004, 20764008, 280025719, 560051438, 840077157, 1120102876, 1680154314, 2240205752, 2520231471, 3360308628, 5040462942, 6720617256, 10080925884, 20161851768]

約数ペア:

[(1, 20161851768), (2, 10080925884), (3, 6720617256), (4, 5040462942), (6, 3360308628), (8, 2520231471), (9, 2240205752), (12, 1680154314), (18, 1120102876), (24, 840077157), (36, 560051438), (72, 280025719), (971, 20764008), (1942, 10382004), (2913, 6921336), (3884, 5191002), (5826, 3460668), (7768, 2595501), (8739, 2307112), (11652, 1730334), (17478, 1153556), (23304, 865167), (34956, 576778), (69912, 288389)]