20616414

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 51663360

約数和(自身を除く): 31046946

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 273, 366, 427, 546, 619, 793, 854, 1238, 1281, 1586, 1857, 2379, 2562, 3714, 4333, 4758, 5551, 8047, 8666, 11102, 12999, 16094, 16653, 24141, 25998, 33306, 37759, 48282, 56329, 75518, 112658, 113277, 168987, 226554, 264313, 337974, 490867, 528626, 792939, 981734, 1472601, 1585878, 2945202, 3436069, 6872138, 10308207, 20616414]

約数ペア:

[(1, 20616414), (2, 10308207), (3, 6872138), (6, 3436069), (7, 2945202), (13, 1585878), (14, 1472601), (21, 981734), (26, 792939), (39, 528626), (42, 490867), (61, 337974), (78, 264313), (91, 226554), (122, 168987), (182, 113277), (183, 112658), (273, 75518), (366, 56329), (427, 48282), (546, 37759), (619, 33306), (793, 25998), (854, 24141), (1238, 16653), (1281, 16094), (1586, 12999), (1857, 11102), (2379, 8666), (2562, 8047), (3714, 5551), (4333, 4758)]