20205872

素因数分解:

$2^4\times {\mathrm{43}}^2\times {\mathrm{683}}^1$

素因数の和:777

約数の個数: 30

約数和(自身を含む): 40139172

約数和(自身を除く): 19933300

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 683, 688, 1366, 1849, 2732, 3698, 5464, 7396, 10928, 14792, 29369, 29584, 58738, 117476, 234952, 469904, 1262867, 2525734, 5051468, 10102936, 20205872]

約数ペア:

[(1, 20205872), (2, 10102936), (4, 5051468), (8, 2525734), (16, 1262867), (43, 469904), (86, 234952), (172, 117476), (344, 58738), (683, 29584), (688, 29369), (1366, 14792), (1849, 10928), (2732, 7396), (3698, 5464)]