20797742

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1907}}^1$

素因数の和:1976

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 17667538

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 1907, 3814, 5453, 10906, 13349, 26698, 36233, 72466, 78187, 156374, 253631, 507262, 547309, 1094618, 1485553, 2971106, 10398871, 20797742]

約数ペア:

[(1, 20797742), (2, 10398871), (7, 2971106), (14, 1485553), (19, 1094618), (38, 547309), (41, 507262), (82, 253631), (133, 156374), (266, 78187), (287, 72466), (574, 36233), (779, 26698), (1558, 13349), (1907, 10906), (3814, 5453)]