20263096

素因数分解:

$2^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{743}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 43568640

約数和(自身を除く): 23305544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 487, 743, 974, 1486, 1948, 2972, 3409, 3896, 5201, 5944, 6818, 10402, 13636, 20804, 27272, 41608, 361841, 723682, 1447364, 2532887, 2894728, 5065774, 10131548, 20263096]

約数ペア:

[(1, 20263096), (2, 10131548), (4, 5065774), (7, 2894728), (8, 2532887), (14, 1447364), (28, 723682), (56, 361841), (487, 41608), (743, 27272), (974, 20804), (1486, 13636), (1948, 10402), (2972, 6818), (3409, 5944), (3896, 5201)]