20127070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87509}}^1$

素因数の和:87539

約数の個数: 16

約数和(自身を含む): 37804320

約数和(自身を除く): 17677250

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87509, 175018, 437545, 875090, 2012707, 4025414, 10063535, 20127070]

約数ペア:

[(1, 20127070), (2, 10063535), (5, 4025414), (10, 2012707), (23, 875090), (46, 437545), (115, 175018), (230, 87509)]