20795998

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 34604928

約数和(自身を除く): 13808930

約数列:

[1, 2, 17, 34, 37, 61, 74, 122, 271, 542, 629, 1037, 1258, 2074, 2257, 4514, 4607, 9214, 10027, 16531, 20054, 33062, 38369, 76738, 170459, 281027, 340918, 562054, 611647, 1223294, 10397999, 20795998]

約数ペア:

[(1, 20795998), (2, 10397999), (17, 1223294), (34, 611647), (37, 562054), (61, 340918), (74, 281027), (122, 170459), (271, 76738), (542, 38369), (629, 33062), (1037, 20054), (1258, 16531), (2074, 10027), (2257, 9214), (4514, 4607)]