20747367720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57631577}}^1$

素因数の和:57631594

約数の個数: 48

約数和(自身を含む): 67428946260

約数和(自身を除く): 46681578540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57631577, 115263154, 172894731, 230526308, 288157885, 345789462, 461052616, 518684193, 576315770, 691578924, 864473655, 1037368386, 1152631540, 1383157848, 1728947310, 2074736772, 2305263080, 2593420965, 3457894620, 4149473544, 5186841930, 6915789240, 10373683860, 20747367720]

約数ペア:

[(1, 20747367720), (2, 10373683860), (3, 6915789240), (4, 5186841930), (5, 4149473544), (6, 3457894620), (8, 2593420965), (9, 2305263080), (10, 2074736772), (12, 1728947310), (15, 1383157848), (18, 1152631540), (20, 1037368386), (24, 864473655), (30, 691578924), (36, 576315770), (40, 518684193), (45, 461052616), (60, 345789462), (72, 288157885), (90, 230526308), (120, 172894731), (180, 115263154), (360, 57631577)]