20147195

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4273}}^1$

素因数の和:4342

約数の個数: 16

約数和(自身を含む): 25849152

約数和(自身を除く): 5701957

約数列:

[1, 5, 23, 41, 115, 205, 943, 4273, 4715, 21365, 98279, 175193, 491395, 875965, 4029439, 20147195]

約数ペア:

[(1, 20147195), (5, 4029439), (23, 875965), (41, 491395), (115, 175193), (205, 98279), (943, 21365), (4273, 4715)]