20279565

素因数分解:

$3^5\times 5^1\times {\mathrm{16691}}^1$

素因数の和:16711

約数の個数: 24

約数和(自身を含む): 36455328

約数和(自身を除く): 16175763

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16691, 50073, 83455, 150219, 250365, 450657, 751095, 1351971, 2253285, 4055913, 6759855, 20279565]

約数ペア:

[(1, 20279565), (3, 6759855), (5, 4055913), (9, 2253285), (15, 1351971), (27, 751095), (45, 450657), (81, 250365), (135, 150219), (243, 83455), (405, 50073), (1215, 16691)]