20688444240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86201851}}^1$

素因数の和:86201867

約数の個数: 40

約数和(自身を含む): 64134177888

約数和(自身を除く): 43445733648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86201851, 172403702, 258605553, 344807404, 431009255, 517211106, 689614808, 862018510, 1034422212, 1293027765, 1379229616, 1724037020, 2068844424, 2586055530, 3448074040, 4137688848, 5172111060, 6896148080, 10344222120, 20688444240]

約数ペア:

[(1, 20688444240), (2, 10344222120), (3, 6896148080), (4, 5172111060), (5, 4137688848), (6, 3448074040), (8, 2586055530), (10, 2068844424), (12, 1724037020), (15, 1379229616), (16, 1293027765), (20, 1034422212), (24, 862018510), (30, 689614808), (40, 517211106), (48, 431009255), (60, 344807404), (80, 258605553), (120, 172403702), (240, 86201851)]