20167287560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{549817}}^1$

素因数の和:549966

約数の個数: 64

約数和(自身を含む): 52254702720

約数和(自身を除く): 32087415160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3668, 4585, 5240, 7336, 9170, 18340, 36680, 549817, 1099634, 2199268, 2749085, 3848719, 4398536, 5498170, 7697438, 10996340, 15394876, 19243595, 21992680, 30789752, 38487190, 72026027, 76974380, 144052054, 153948760, 288104108, 360130135, 504182189, 576208216, 720260270, 1008364378, 1440520540, 2016728756, 2520910945, 2881041080, 4033457512, 5041821890, 10083643780, 20167287560]

約数ペア:

[(1, 20167287560), (2, 10083643780), (4, 5041821890), (5, 4033457512), (7, 2881041080), (8, 2520910945), (10, 2016728756), (14, 1440520540), (20, 1008364378), (28, 720260270), (35, 576208216), (40, 504182189), (56, 360130135), (70, 288104108), (131, 153948760), (140, 144052054), (262, 76974380), (280, 72026027), (524, 38487190), (655, 30789752), (917, 21992680), (1048, 19243595), (1310, 15394876), (1834, 10996340), (2620, 7697438), (3668, 5498170), (4585, 4398536), (5240, 3848719), (7336, 2749085), (9170, 2199268), (18340, 1099634), (36680, 549817)]