20859896

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1553}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 41398560

約数和(自身を除く): 20538664

約数列:

[1, 2, 4, 8, 23, 46, 73, 92, 146, 184, 292, 584, 1553, 1679, 3106, 3358, 6212, 6716, 12424, 13432, 35719, 71438, 113369, 142876, 226738, 285752, 453476, 906952, 2607487, 5214974, 10429948, 20859896]

約数ペア:

[(1, 20859896), (2, 10429948), (4, 5214974), (8, 2607487), (23, 906952), (46, 453476), (73, 285752), (92, 226738), (146, 142876), (184, 113369), (292, 71438), (584, 35719), (1553, 13432), (1679, 12424), (3106, 6716), (3358, 6212)]