20105354906

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1\times {\mathrm{4007}}^1$

素因数の和:5499

約数の個数: 64

約数和(自身を含む): 39107819520

約数和(自身を除く): 19002464614

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1451, 1729, 2902, 3458, 4007, 8014, 10157, 18863, 20314, 27569, 28049, 37726, 52091, 55138, 56098, 76133, 104182, 132041, 152266, 192983, 264082, 358397, 364637, 385966, 532931, 716794, 729274, 989729, 1065862, 1979458, 2508779, 5017558, 5814157, 6928103, 11628314, 13856206, 40699099, 75584041, 81398198, 110468983, 151168082, 220937966, 529088287, 773282881, 1058176574, 1436096779, 1546565762, 2872193558, 10052677453, 20105354906]

約数ペア:

[(1, 20105354906), (2, 10052677453), (7, 2872193558), (13, 1546565762), (14, 1436096779), (19, 1058176574), (26, 773282881), (38, 529088287), (91, 220937966), (133, 151168082), (182, 110468983), (247, 81398198), (266, 75584041), (494, 40699099), (1451, 13856206), (1729, 11628314), (2902, 6928103), (3458, 5814157), (4007, 5017558), (8014, 2508779), (10157, 1979458), (18863, 1065862), (20314, 989729), (27569, 729274), (28049, 716794), (37726, 532931), (52091, 385966), (55138, 364637), (56098, 358397), (76133, 264082), (104182, 192983), (132041, 152266)]