20033872

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:875

約数の個数: 40

約数和(自身を含む): 40843616

約数和(自身を除く): 20809744

約数列:

[1, 2, 4, 8, 16, 37, 43, 74, 86, 148, 172, 296, 344, 592, 688, 787, 1574, 1591, 3148, 3182, 6296, 6364, 12592, 12728, 25456, 29119, 33841, 58238, 67682, 116476, 135364, 232952, 270728, 465904, 541456, 1252117, 2504234, 5008468, 10016936, 20033872]

約数ペア:

[(1, 20033872), (2, 10016936), (4, 5008468), (8, 2504234), (16, 1252117), (37, 541456), (43, 465904), (74, 270728), (86, 232952), (148, 135364), (172, 116476), (296, 67682), (344, 58238), (592, 33841), (688, 29119), (787, 25456), (1574, 12728), (1591, 12592), (3148, 6364), (3182, 6296)]