20449494

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 48039264

約数和(自身を除く): 27589770

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 281, 311, 562, 622, 843, 933, 1686, 1866, 2529, 2799, 3653, 4043, 5058, 5598, 7306, 8086, 10959, 12129, 21918, 24258, 32877, 36387, 65754, 72774, 87391, 174782, 262173, 524346, 786519, 1136083, 1573038, 2272166, 3408249, 6816498, 10224747, 20449494]

約数ペア:

[(1, 20449494), (2, 10224747), (3, 6816498), (6, 3408249), (9, 2272166), (13, 1573038), (18, 1136083), (26, 786519), (39, 524346), (78, 262173), (117, 174782), (234, 87391), (281, 72774), (311, 65754), (562, 36387), (622, 32877), (843, 24258), (933, 21918), (1686, 12129), (1866, 10959), (2529, 8086), (2799, 7306), (3653, 5598), (4043, 5058)]