20451945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59281}}^1$

素因数の和:59312

約数の個数: 16

約数和(自身を含む): 34146432

約数和(自身を除く): 13694487

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 59281, 177843, 296405, 889215, 1363463, 4090389, 6817315, 20451945]

約数ペア:

[(1, 20451945), (3, 6817315), (5, 4090389), (15, 1363463), (23, 889215), (69, 296405), (115, 177843), (345, 59281)]