20120844345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{63727}}^1$

素因数の和:63870

約数の個数: 64

約数和(自身を含む): 38371393536

約数和(自身を除く): 18250549191

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 97, 105, 155, 217, 291, 465, 485, 651, 679, 1085, 1455, 2037, 3007, 3255, 3395, 9021, 10185, 15035, 21049, 45105, 63147, 63727, 105245, 191181, 315735, 318635, 446089, 955905, 1338267, 1975537, 2230445, 5926611, 6181519, 6691335, 9877685, 13828759, 18544557, 29633055, 30907595, 41486277, 43270633, 69143795, 92722785, 129811899, 191627089, 207431385, 216353165, 574881267, 649059495, 958135445, 1341389623, 2874406335, 4024168869, 6706948115, 20120844345]

約数ペア:

[(1, 20120844345), (3, 6706948115), (5, 4024168869), (7, 2874406335), (15, 1341389623), (21, 958135445), (31, 649059495), (35, 574881267), (93, 216353165), (97, 207431385), (105, 191627089), (155, 129811899), (217, 92722785), (291, 69143795), (465, 43270633), (485, 41486277), (651, 30907595), (679, 29633055), (1085, 18544557), (1455, 13828759), (2037, 9877685), (3007, 6691335), (3255, 6181519), (3395, 5926611), (9021, 2230445), (10185, 1975537), (15035, 1338267), (21049, 955905), (45105, 446089), (63147, 318635), (63727, 315735), (105245, 191181)]