20190884985

素因数分解:

$3^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{162391}}^1$

素因数の和:162715

約数の個数: 40

約数和(自身を含む): 36312150336

約数和(自身を除く): 16121265351

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 307, 405, 921, 1535, 2763, 4605, 8289, 13815, 24867, 41445, 124335, 162391, 487173, 811955, 1461519, 2435865, 4384557, 7307595, 13153671, 21922785, 49854037, 65768355, 149562111, 249270185, 448686333, 747810555, 1346058999, 2243431665, 4038176997, 6730294995, 20190884985]

約数ペア:

[(1, 20190884985), (3, 6730294995), (5, 4038176997), (9, 2243431665), (15, 1346058999), (27, 747810555), (45, 448686333), (81, 249270185), (135, 149562111), (307, 65768355), (405, 49854037), (921, 21922785), (1535, 13153671), (2763, 7307595), (4605, 4384557), (8289, 2435865), (13815, 1461519), (24867, 811955), (41445, 487173), (124335, 162391)]