20881836

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30529}}^1$

素因数の和:30558

約数の個数: 36

約数和(自身を含む): 55564600

約数和(自身を除く): 34682764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30529, 61058, 91587, 122116, 183174, 274761, 366348, 549522, 580051, 1099044, 1160102, 1740153, 2320204, 3480306, 5220459, 6960612, 10440918, 20881836]

約数ペア:

[(1, 20881836), (2, 10440918), (3, 6960612), (4, 5220459), (6, 3480306), (9, 2320204), (12, 1740153), (18, 1160102), (19, 1099044), (36, 580051), (38, 549522), (57, 366348), (76, 274761), (114, 183174), (171, 122116), (228, 91587), (342, 61058), (684, 30529)]