20430810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1657}}^1$

素因数の和:1807

約数の個数: 48

約数和(自身を含む): 53540136

約数和(自身を除く): 33109326

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 274, 411, 685, 822, 1233, 1370, 1657, 2055, 2466, 3314, 4110, 4971, 6165, 8285, 9942, 12330, 14913, 16570, 24855, 29826, 49710, 74565, 149130, 227009, 454018, 681027, 1135045, 1362054, 2043081, 2270090, 3405135, 4086162, 6810270, 10215405, 20430810]

約数ペア:

[(1, 20430810), (2, 10215405), (3, 6810270), (5, 4086162), (6, 3405135), (9, 2270090), (10, 2043081), (15, 1362054), (18, 1135045), (30, 681027), (45, 454018), (90, 227009), (137, 149130), (274, 74565), (411, 49710), (685, 29826), (822, 24855), (1233, 16570), (1370, 14913), (1657, 12330), (2055, 9942), (2466, 8285), (3314, 6165), (4110, 4971)]