20178332216

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{659}}^1\times {\mathrm{23773}}^1$

素因数の和:24468

約数の個数: 64

約数和(自身を含む): 45189619200

約数和(自身を除く): 25011286984

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 659, 1288, 1318, 2636, 4613, 5272, 9226, 15157, 18452, 23773, 30314, 36904, 47546, 60628, 95092, 106099, 121256, 166411, 190184, 212198, 332822, 424396, 546779, 665644, 848792, 1093558, 1331288, 2187116, 3827453, 4374232, 7654906, 15309812, 15666407, 30619624, 31332814, 62665628, 109664849, 125331256, 219329698, 360327361, 438659396, 720654722, 877318792, 1441309444, 2522291527, 2882618888, 5044583054, 10089166108, 20178332216]

約数ペア:

[(1, 20178332216), (2, 10089166108), (4, 5044583054), (7, 2882618888), (8, 2522291527), (14, 1441309444), (23, 877318792), (28, 720654722), (46, 438659396), (56, 360327361), (92, 219329698), (161, 125331256), (184, 109664849), (322, 62665628), (644, 31332814), (659, 30619624), (1288, 15666407), (1318, 15309812), (2636, 7654906), (4613, 4374232), (5272, 3827453), (9226, 2187116), (15157, 1331288), (18452, 1093558), (23773, 848792), (30314, 665644), (36904, 546779), (47546, 424396), (60628, 332822), (95092, 212198), (106099, 190184), (121256, 166411)]