20999076

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{249989}}^1$

素因数の和:250003

約数の個数: 24

約数和(自身を含む): 55997760

約数和(自身を除く): 34998684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 249989, 499978, 749967, 999956, 1499934, 1749923, 2999868, 3499846, 5249769, 6999692, 10499538, 20999076]

約数ペア:

[(1, 20999076), (2, 10499538), (3, 6999692), (4, 5249769), (6, 3499846), (7, 2999868), (12, 1749923), (14, 1499934), (21, 999956), (28, 749967), (42, 499978), (84, 249989)]