20504888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{929}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 40176000

約数和(自身を除く): 19671112

約数列:

[1, 2, 4, 8, 31, 62, 89, 124, 178, 248, 356, 712, 929, 1858, 2759, 3716, 5518, 7432, 11036, 22072, 28799, 57598, 82681, 115196, 165362, 230392, 330724, 661448, 2563111, 5126222, 10252444, 20504888]

約数ペア:

[(1, 20504888), (2, 10252444), (4, 5126222), (8, 2563111), (31, 661448), (62, 330724), (89, 230392), (124, 165362), (178, 115196), (248, 82681), (356, 57598), (712, 28799), (929, 22072), (1858, 11036), (2759, 7432), (3716, 5518)]