20001438

素因数分解:

$2^1\times 3^3\times {\mathrm{587}}^1\times {\mathrm{631}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 44593920

約数和(自身を除く): 24592482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 587, 631, 1174, 1262, 1761, 1893, 3522, 3786, 5283, 5679, 10566, 11358, 15849, 17037, 31698, 34074, 370397, 740794, 1111191, 2222382, 3333573, 6667146, 10000719, 20001438]

約数ペア:

[(1, 20001438), (2, 10000719), (3, 6667146), (6, 3333573), (9, 2222382), (18, 1111191), (27, 740794), (54, 370397), (587, 34074), (631, 31698), (1174, 17037), (1262, 15849), (1761, 11358), (1893, 10566), (3522, 5679), (3786, 5283)]