20106009615

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21973781}}^1$

素因数の和:21973850

約数の個数: 16

約数和(自身を含む): 32696987616

約数和(自身を除く): 12590978001

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 21973781, 65921343, 109868905, 329606715, 1340400641, 4021201923, 6702003205, 20106009615]

約数ペア:

[(1, 20106009615), (3, 6702003205), (5, 4021201923), (15, 1340400641), (61, 329606715), (183, 109868905), (305, 65921343), (915, 21973781)]