20940276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2904

約数の個数: 48

約数和(自身を含む): 56488320

約数和(自身を除く): 35548044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 2801, 3738, 5602, 7476, 8403, 11204, 16806, 19607, 33612, 39214, 58821, 78428, 117642, 235284, 249289, 498578, 747867, 997156, 1495734, 1745023, 2991468, 3490046, 5235069, 6980092, 10470138, 20940276]

約数ペア:

[(1, 20940276), (2, 10470138), (3, 6980092), (4, 5235069), (6, 3490046), (7, 2991468), (12, 1745023), (14, 1495734), (21, 997156), (28, 747867), (42, 498578), (84, 249289), (89, 235284), (178, 117642), (267, 78428), (356, 58821), (534, 39214), (623, 33612), (1068, 19607), (1246, 16806), (1869, 11204), (2492, 8403), (2801, 7476), (3738, 5602)]