20976060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{49943}}^1$

素因数の和:49962

約数の個数: 48

約数和(自身を含む): 67124736

約数和(自身を除く): 46148676

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 49943, 99886, 149829, 199772, 249715, 299658, 349601, 499430, 599316, 699202, 749145, 998860, 1048803, 1398404, 1498290, 1748005, 2097606, 2996580, 3496010, 4195212, 5244015, 6992020, 10488030, 20976060]

約数ペア:

[(1, 20976060), (2, 10488030), (3, 6992020), (4, 5244015), (5, 4195212), (6, 3496010), (7, 2996580), (10, 2097606), (12, 1748005), (14, 1498290), (15, 1398404), (20, 1048803), (21, 998860), (28, 749145), (30, 699202), (35, 599316), (42, 499430), (60, 349601), (70, 299658), (84, 249715), (105, 199772), (140, 149829), (210, 99886), (420, 49943)]