20982494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1259}}^1$

素因数の和:1915

約数の個数: 16

約数和(自身を含む): 33974640

約数和(自身を除く): 12992146

約数列:

[1, 2, 13, 26, 641, 1259, 1282, 2518, 8333, 16367, 16666, 32734, 807019, 1614038, 10491247, 20982494]

約数ペア:

[(1, 20982494), (2, 10491247), (13, 1614038), (26, 807019), (641, 32734), (1259, 16666), (1282, 16367), (2518, 8333)]