20805543385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{631}}^1\times {\mathrm{1231}}^1$

素因数の和:2365

約数の個数: 32

約数和(自身を含む): 27357732864

約数和(自身を除く): 6552189479

約数列:

[1, 5, 11, 55, 487, 631, 1231, 2435, 3155, 5357, 6155, 6941, 13541, 26785, 34705, 67705, 307297, 599497, 776761, 1536485, 2997485, 3380267, 3883805, 6594467, 8544371, 16901335, 32972335, 42721855, 378282607, 1891413035, 4161108677, 20805543385]

約数ペア:

[(1, 20805543385), (5, 4161108677), (11, 1891413035), (55, 378282607), (487, 42721855), (631, 32972335), (1231, 16901335), (2435, 8544371), (3155, 6594467), (5357, 3883805), (6155, 3380267), (6941, 2997485), (13541, 1536485), (26785, 776761), (34705, 599497), (67705, 307297)]