20629252

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 43610112

約数和(自身を除く): 22980860

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 103, 161, 206, 311, 322, 412, 622, 644, 721, 1244, 1442, 2177, 2369, 2884, 4354, 4738, 7153, 8708, 9476, 14306, 16583, 28612, 32033, 33166, 50071, 64066, 66332, 100142, 128132, 200284, 224231, 448462, 736759, 896924, 1473518, 2947036, 5157313, 10314626, 20629252]

約数ペア:

[(1, 20629252), (2, 10314626), (4, 5157313), (7, 2947036), (14, 1473518), (23, 896924), (28, 736759), (46, 448462), (92, 224231), (103, 200284), (161, 128132), (206, 100142), (311, 66332), (322, 64066), (412, 50071), (622, 33166), (644, 32033), (721, 28612), (1244, 16583), (1442, 14306), (2177, 9476), (2369, 8708), (2884, 7153), (4354, 4738)]