20351220008

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{378163}}^1$

素因数の和:378238

約数の個数: 48

約数和(自身を含む): 45062022240

約数和(自身を除く): 24710802232

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 961, 1736, 1922, 3844, 6727, 7688, 13454, 26908, 53816, 378163, 756326, 1512652, 2647141, 3025304, 5294282, 10588564, 11723053, 21177128, 23446106, 46892212, 82061371, 93784424, 164122742, 328245484, 363414643, 656490968, 726829286, 1453658572, 2543902501, 2907317144, 5087805002, 10175610004, 20351220008]

約数ペア:

[(1, 20351220008), (2, 10175610004), (4, 5087805002), (7, 2907317144), (8, 2543902501), (14, 1453658572), (28, 726829286), (31, 656490968), (56, 363414643), (62, 328245484), (124, 164122742), (217, 93784424), (248, 82061371), (434, 46892212), (868, 23446106), (961, 21177128), (1736, 11723053), (1922, 10588564), (3844, 5294282), (6727, 3025304), (7688, 2647141), (13454, 1512652), (26908, 756326), (53816, 378163)]