16697780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1069}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 38828160

約数和(自身を除く): 22130380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1069, 1420, 1562, 2138, 3124, 3905, 4276, 5345, 7810, 10690, 11759, 15620, 21380, 23518, 47036, 58795, 75899, 117590, 151798, 235180, 303596, 379495, 758990, 834889, 1517980, 1669778, 3339556, 4174445, 8348890, 16697780]

約数ペア:

[(1, 16697780), (2, 8348890), (4, 4174445), (5, 3339556), (10, 1669778), (11, 1517980), (20, 834889), (22, 758990), (44, 379495), (55, 303596), (71, 235180), (110, 151798), (142, 117590), (220, 75899), (284, 58795), (355, 47036), (710, 23518), (781, 21380), (1069, 15620), (1420, 11759), (1562, 10690), (2138, 7810), (3124, 5345), (3905, 4276)]