20794781644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1969949}}^1$

素因数の和:1970002

約数の個数: 48

約数和(自身を含む): 46333224000

約数和(自身を除く): 25538442356

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2639, 5278, 10556, 1969949, 3939898, 7879796, 13789643, 25609337, 27579286, 51218674, 55158572, 57128521, 102437348, 114257042, 179265359, 228514084, 358530718, 399899647, 717061436, 742670773, 799799294, 1485341546, 1599598588, 2970683092, 5198695411, 10397390822, 20794781644]

約数ペア:

[(1, 20794781644), (2, 10397390822), (4, 5198695411), (7, 2970683092), (13, 1599598588), (14, 1485341546), (26, 799799294), (28, 742670773), (29, 717061436), (52, 399899647), (58, 358530718), (91, 228514084), (116, 179265359), (182, 114257042), (203, 102437348), (364, 57128521), (377, 55158572), (406, 51218674), (754, 27579286), (812, 25609337), (1508, 13789643), (2639, 7879796), (5278, 3939898), (10556, 1969949)]