20284278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1543}}^1$

素因数の和:1868

約数の個数: 32

約数和(自身を含む): 46542336

約数和(自身を除く): 26258058

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 313, 626, 939, 1543, 1878, 2191, 3086, 4382, 4629, 6573, 9258, 10801, 13146, 21602, 32403, 64806, 482959, 965918, 1448877, 2897754, 3380713, 6761426, 10142139, 20284278]

約数ペア:

[(1, 20284278), (2, 10142139), (3, 6761426), (6, 3380713), (7, 2897754), (14, 1448877), (21, 965918), (42, 482959), (313, 64806), (626, 32403), (939, 21602), (1543, 13146), (1878, 10801), (2191, 9258), (3086, 6573), (4382, 4629)]