20137765

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4271}}^1$

素因数の和:4340

約数の個数: 16

約数和(自身を含む): 25837056

約数和(自身を除く): 5699291

約数列:

[1, 5, 23, 41, 115, 205, 943, 4271, 4715, 21355, 98233, 175111, 491165, 875555, 4027553, 20137765]

約数ペア:

[(1, 20137765), (5, 4027553), (23, 875555), (41, 491165), (115, 175111), (205, 98233), (943, 21355), (4271, 4715)]