20555836

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 43706880

約数和(自身を除く): 23151044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 59, 92, 118, 161, 236, 322, 413, 541, 644, 826, 1082, 1357, 1652, 2164, 2714, 3787, 5428, 7574, 9499, 12443, 15148, 18998, 24886, 31919, 37996, 49772, 63838, 87101, 127676, 174202, 223433, 348404, 446866, 734137, 893732, 1468274, 2936548, 5138959, 10277918, 20555836]

約数ペア:

[(1, 20555836), (2, 10277918), (4, 5138959), (7, 2936548), (14, 1468274), (23, 893732), (28, 734137), (46, 446866), (59, 348404), (92, 223433), (118, 174202), (161, 127676), (236, 87101), (322, 63838), (413, 49772), (541, 37996), (644, 31919), (826, 24886), (1082, 18998), (1357, 15148), (1652, 12443), (2164, 9499), (2714, 7574), (3787, 5428)]