20750580

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12809}}^1$

素因数の和:12830

約数の個数: 60

約数和(自身を含む): 65100420

約数和(自身を除く): 44349840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12809, 25618, 38427, 51236, 64045, 76854, 115281, 128090, 153708, 192135, 230562, 256180, 345843, 384270, 461124, 576405, 691686, 768540, 1037529, 1152810, 1383372, 1729215, 2075058, 2305620, 3458430, 4150116, 5187645, 6916860, 10375290, 20750580]

約数ペア:

[(1, 20750580), (2, 10375290), (3, 6916860), (4, 5187645), (5, 4150116), (6, 3458430), (9, 2305620), (10, 2075058), (12, 1729215), (15, 1383372), (18, 1152810), (20, 1037529), (27, 768540), (30, 691686), (36, 576405), (45, 461124), (54, 384270), (60, 345843), (81, 256180), (90, 230562), (108, 192135), (135, 153708), (162, 128090), (180, 115281), (270, 76854), (324, 64045), (405, 51236), (540, 38427), (810, 25618), (1620, 12809)]