20823369

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3659}}^1$

素因数の和:3940

約数の個数: 16

約数和(自身を含む): 31856640

約数和(自身を除く): 11033271

約数列:

[1, 3, 7, 21, 271, 813, 1897, 3659, 5691, 10977, 25613, 76839, 991589, 2974767, 6941123, 20823369]

約数ペア:

[(1, 20823369), (3, 6941123), (7, 2974767), (21, 991589), (271, 76839), (813, 25613), (1897, 10977), (3659, 5691)]