20216403845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{217369}}^1$

素因数の和:217493

約数の個数: 32

約数和(自身を含む): 28171152000

約数和(自身を除く): 7954748155

約数列:

[1, 5, 11, 19, 55, 89, 95, 209, 445, 979, 1045, 1691, 4895, 8455, 18601, 93005, 217369, 1086845, 2391059, 4130011, 11955295, 19345841, 20650055, 45430121, 96729205, 212804251, 227150605, 367570979, 1064021255, 1837854895, 4043280769, 20216403845]

約数ペア:

[(1, 20216403845), (5, 4043280769), (11, 1837854895), (19, 1064021255), (55, 367570979), (89, 227150605), (95, 212804251), (209, 96729205), (445, 45430121), (979, 20650055), (1045, 19345841), (1691, 11955295), (4895, 4130011), (8455, 2391059), (18601, 1086845), (93005, 217369)]