20193832

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 39600000

約数和(自身を除く): 19406168

約数列:

[1, 2, 4, 8, 43, 47, 86, 94, 172, 188, 344, 376, 1249, 2021, 2498, 4042, 4996, 8084, 9992, 16168, 53707, 58703, 107414, 117406, 214828, 234812, 429656, 469624, 2524229, 5048458, 10096916, 20193832]

約数ペア:

[(1, 20193832), (2, 10096916), (4, 5048458), (8, 2524229), (43, 469624), (47, 429656), (86, 234812), (94, 214828), (172, 117406), (188, 107414), (344, 58703), (376, 53707), (1249, 16168), (2021, 9992), (2498, 8084), (4042, 4996)]