20355115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{16091}}^1$

素因数の和:16130

約数の個数: 16

約数和(自身を含む): 27806976

約数和(自身を除く): 7451861

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 16091, 80455, 177001, 370093, 885005, 1850465, 4071023, 20355115]

約数ペア:

[(1, 20355115), (5, 4071023), (11, 1850465), (23, 885005), (55, 370093), (115, 177001), (253, 80455), (1265, 16091)]