20292555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13921845

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 449, 655, 1347, 1965, 2245, 3013, 6735, 9039, 10327, 15065, 30981, 45195, 51635, 58819, 154905, 176457, 294095, 882285, 1352837, 4058511, 6764185, 20292555]

約数ペア:

[(1, 20292555), (3, 6764185), (5, 4058511), (15, 1352837), (23, 882285), (69, 294095), (115, 176457), (131, 154905), (345, 58819), (393, 51635), (449, 45195), (655, 30981), (1347, 15065), (1965, 10327), (2245, 9039), (3013, 6735)]