20122485

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16981}}^1$

素因数の和:17068

約数の個数: 16

約数和(自身を含む): 32605440

約数和(自身を除く): 12482955

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 16981, 50943, 84905, 254715, 1341499, 4024497, 6707495, 20122485]

約数ペア:

[(1, 20122485), (3, 6707495), (5, 4024497), (15, 1341499), (79, 254715), (237, 84905), (395, 50943), (1185, 16981)]