20943258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13477}}^1$

素因数の和:13526

約数の個数: 32

約数和(自身を含む): 49167744

約数和(自身を除く): 28224486

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13477, 26954, 40431, 80862, 94339, 188678, 283017, 498649, 566034, 997298, 1495947, 2991894, 3490543, 6981086, 10471629, 20943258]

約数ペア:

[(1, 20943258), (2, 10471629), (3, 6981086), (6, 3490543), (7, 2991894), (14, 1495947), (21, 997298), (37, 566034), (42, 498649), (74, 283017), (111, 188678), (222, 94339), (259, 80862), (518, 40431), (777, 26954), (1554, 13477)]