20155731678

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{2381}}^1\times {\mathrm{10937}}^1$

素因数の和:13369

約数の個数: 48

約数和(自身を含む): 44709206256

約数和(自身を除く): 24553474578

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 2381, 4762, 7143, 10937, 14286, 21429, 21874, 32811, 42858, 65622, 98433, 102383, 196866, 204766, 307149, 470291, 614298, 921447, 940582, 1410873, 1842894, 2821746, 4232619, 8465238, 26040997, 52081994, 78122991, 156245982, 234368973, 468737946, 1119762871, 2239525742, 3359288613, 6718577226, 10077865839, 20155731678]

約数ペア:

[(1, 20155731678), (2, 10077865839), (3, 6718577226), (6, 3359288613), (9, 2239525742), (18, 1119762871), (43, 468737946), (86, 234368973), (129, 156245982), (258, 78122991), (387, 52081994), (774, 26040997), (2381, 8465238), (4762, 4232619), (7143, 2821746), (10937, 1842894), (14286, 1410873), (21429, 940582), (21874, 921447), (32811, 614298), (42858, 470291), (65622, 307149), (98433, 204766), (102383, 196866)]