20172806370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{872149}}^1$

素因数の和:872419

約数の個数: 48

約数和(自身を含む): 52653439800

約数和(自身を除く): 32480633430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 257, 514, 771, 1285, 1542, 2313, 2570, 3855, 4626, 7710, 11565, 23130, 872149, 1744298, 2616447, 4360745, 5232894, 7849341, 8721490, 13082235, 15698682, 26164470, 39246705, 78493410, 224142293, 448284586, 672426879, 1120711465, 1344853758, 2017280637, 2241422930, 3362134395, 4034561274, 6724268790, 10086403185, 20172806370]

約数ペア:

[(1, 20172806370), (2, 10086403185), (3, 6724268790), (5, 4034561274), (6, 3362134395), (9, 2241422930), (10, 2017280637), (15, 1344853758), (18, 1120711465), (30, 672426879), (45, 448284586), (90, 224142293), (257, 78493410), (514, 39246705), (771, 26164470), (1285, 15698682), (1542, 13082235), (2313, 8721490), (2570, 7849341), (3855, 5232894), (4626, 4360745), (7710, 2616447), (11565, 1744298), (23130, 872149)]