20682918

素因数分解:

$2^1\times 3^3\times {\mathrm{607}}^1\times {\mathrm{631}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 46110720

約数和(自身を除く): 25427802

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 607, 631, 1214, 1262, 1821, 1893, 3642, 3786, 5463, 5679, 10926, 11358, 16389, 17037, 32778, 34074, 383017, 766034, 1149051, 2298102, 3447153, 6894306, 10341459, 20682918]

約数ペア:

[(1, 20682918), (2, 10341459), (3, 6894306), (6, 3447153), (9, 2298102), (18, 1149051), (27, 766034), (54, 383017), (607, 34074), (631, 32778), (1214, 17037), (1262, 16389), (1821, 11358), (1893, 10926), (3642, 5679), (3786, 5463)]