20199995460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12469133}}^1$

素因数の和:12469154

約数の個数: 60

約数和(自身を含む): 63368138988

約数和(自身を除く): 43168143528

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, 12469133, 24938266, 37407399, 49876532, 62345665, 74814798, 112222197, 124691330, 149629596, 187036995, 224444394, 249382660, 336666591, 374073990, 448888788, 561110985, 673333182, 748147980, 1009999773, 1122221970, 1346666364, 1683332955, 2019999546, 2244443940, 3366665910, 4039999092, 5049998865, 6733331820, 10099997730, 20199995460]

約数ペア:

[(1, 20199995460), (2, 10099997730), (3, 6733331820), (4, 5049998865), (5, 4039999092), (6, 3366665910), (9, 2244443940), (10, 2019999546), (12, 1683332955), (15, 1346666364), (18, 1122221970), (20, 1009999773), (27, 748147980), (30, 673333182), (36, 561110985), (45, 448888788), (54, 374073990), (60, 336666591), (81, 249382660), (90, 224444394), (108, 187036995), (135, 149629596), (162, 124691330), (180, 112222197), (270, 74814798), (324, 62345665), (405, 49876532), (540, 37407399), (810, 24938266), (1620, 12469133)]