20193844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6287}}^1$

素因数の和:6375

約数の個数: 24

約数和(自身を含む): 39086208

約数和(自身を除く): 18892364

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6287, 12574, 25148, 69157, 138314, 276628, 458951, 917902, 1835804, 5048461, 10096922, 20193844]

約数ペア:

[(1, 20193844), (2, 10096922), (4, 5048461), (11, 1835804), (22, 917902), (44, 458951), (73, 276628), (146, 138314), (292, 69157), (803, 25148), (1606, 12574), (3212, 6287)]