20954286

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{3517}}^1$

素因数の和:3856

約数の個数: 24

約数和(自身を含む): 45551064

約数和(自身を除く): 24596778

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 3517, 5958, 7034, 10551, 21102, 31653, 63306, 1164127, 2328254, 3492381, 6984762, 10477143, 20954286]

約数ペア:

[(1, 20954286), (2, 10477143), (3, 6984762), (6, 3492381), (9, 2328254), (18, 1164127), (331, 63306), (662, 31653), (993, 21102), (1986, 10551), (2979, 7034), (3517, 5958)]