20991768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{124951}}^1$

素因数の和:124967

約数の個数: 32

約数和(自身を含む): 59976960

約数和(自身を除く): 38985192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 124951, 249902, 374853, 499804, 749706, 874657, 999608, 1499412, 1749314, 2623971, 2998824, 3498628, 5247942, 6997256, 10495884, 20991768]

約数ペア:

[(1, 20991768), (2, 10495884), (3, 6997256), (4, 5247942), (6, 3498628), (7, 2998824), (8, 2623971), (12, 1749314), (14, 1499412), (21, 999608), (24, 874657), (28, 749706), (42, 499804), (56, 374853), (84, 249902), (168, 124951)]