20966192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100799}}^1$

素因数の和:100820

約数の個数: 20

約数和(自身を含む): 43747200

約数和(自身を除く): 22781008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100799, 201598, 403196, 806392, 1310387, 1612784, 2620774, 5241548, 10483096, 20966192]

約数ペア:

[(1, 20966192), (2, 10483096), (4, 5241548), (8, 2620774), (13, 1612784), (16, 1310387), (26, 806392), (52, 403196), (104, 201598), (208, 100799)]