20185089180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{799093}}^1$

素因数の和:799526

約数の個数: 48

約数和(自身を含む): 56652568224

約数和(自身を除く): 36467479044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1263, 1684, 2105, 2526, 4210, 5052, 6315, 8420, 12630, 25260, 799093, 1598186, 2397279, 3196372, 3995465, 4794558, 7990930, 9589116, 11986395, 15981860, 23972790, 47945580, 336418153, 672836306, 1009254459, 1345672612, 1682090765, 2018508918, 3364181530, 4037017836, 5046272295, 6728363060, 10092544590, 20185089180]

約数ペア:

[(1, 20185089180), (2, 10092544590), (3, 6728363060), (4, 5046272295), (5, 4037017836), (6, 3364181530), (10, 2018508918), (12, 1682090765), (15, 1345672612), (20, 1009254459), (30, 672836306), (60, 336418153), (421, 47945580), (842, 23972790), (1263, 15981860), (1684, 11986395), (2105, 9589116), (2526, 7990930), (4210, 4794558), (5052, 3995465), (6315, 3196372), (8420, 2397279), (12630, 1598186), (25260, 799093)]