20815676966

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{65699}}^1$

素因数の和:65829

約数の個数: 48

約数和(自身を含む): 37613775600

約数和(自身を除く): 16798098634

約数列:

[1, 2, 7, 14, 49, 53, 61, 98, 106, 122, 371, 427, 742, 854, 2597, 2989, 3233, 5194, 5978, 6466, 22631, 45262, 65699, 131398, 158417, 316834, 459893, 919786, 3219251, 3482047, 4007639, 6438502, 6964094, 8015278, 24374329, 28053473, 48748658, 56106946, 170620303, 196374311, 212404867, 341240606, 392748622, 424809734, 1486834069, 2973668138, 10407838483, 20815676966]

約数ペア:

[(1, 20815676966), (2, 10407838483), (7, 2973668138), (14, 1486834069), (49, 424809734), (53, 392748622), (61, 341240606), (98, 212404867), (106, 196374311), (122, 170620303), (371, 56106946), (427, 48748658), (742, 28053473), (854, 24374329), (2597, 8015278), (2989, 6964094), (3233, 6438502), (5194, 4007639), (5978, 3482047), (6466, 3219251), (22631, 919786), (45262, 459893), (65699, 316834), (131398, 158417)]