20845695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2017}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 36614592

約数和(自身を除く): 15768897

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 2017, 2067, 3445, 6051, 10085, 10335, 26221, 30255, 78663, 106901, 131105, 320703, 393315, 534505, 1389713, 1603515, 4169139, 6948565, 20845695]

約数ペア:

[(1, 20845695), (3, 6948565), (5, 4169139), (13, 1603515), (15, 1389713), (39, 534505), (53, 393315), (65, 320703), (159, 131105), (195, 106901), (265, 78663), (689, 30255), (795, 26221), (2017, 10335), (2067, 10085), (3445, 6051)]