20512014660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{371191}}^1$

素因数の和:371513

約数の個数: 72

約数和(自身を含む): 62422616256

約数和(自身を除く): 41910601596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1842, 2763, 3070, 3684, 4605, 5526, 6140, 9210, 11052, 13815, 18420, 27630, 55260, 371191, 742382, 1113573, 1484764, 1855955, 2227146, 3340719, 3711910, 4454292, 5567865, 6681438, 7423820, 11135730, 13362876, 16703595, 22271460, 33407190, 66814380, 113955637, 227911274, 341866911, 455822548, 569778185, 683733822, 1025600733, 1139556370, 1367467644, 1709334555, 2051201466, 2279112740, 3418669110, 4102402932, 5128003665, 6837338220, 10256007330, 20512014660]

約数ペア:

[(1, 20512014660), (2, 10256007330), (3, 6837338220), (4, 5128003665), (5, 4102402932), (6, 3418669110), (9, 2279112740), (10, 2051201466), (12, 1709334555), (15, 1367467644), (18, 1139556370), (20, 1025600733), (30, 683733822), (36, 569778185), (45, 455822548), (60, 341866911), (90, 227911274), (180, 113955637), (307, 66814380), (614, 33407190), (921, 22271460), (1228, 16703595), (1535, 13362876), (1842, 11135730), (2763, 7423820), (3070, 6681438), (3684, 5567865), (4605, 4454292), (5526, 3711910), (6140, 3340719), (9210, 2227146), (11052, 1855955), (13815, 1484764), (18420, 1113573), (27630, 742382), (55260, 371191)]