20849454

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16787}}^1$

素因数の和:16821

約数の個数: 32

約数和(自身を含む): 48349440

約数和(自身を除く): 27499986

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 16787, 33574, 50361, 100722, 151083, 302166, 386101, 453249, 772202, 906498, 1158303, 2316606, 3474909, 6949818, 10424727, 20849454]

約数ペア:

[(1, 20849454), (2, 10424727), (3, 6949818), (6, 3474909), (9, 2316606), (18, 1158303), (23, 906498), (27, 772202), (46, 453249), (54, 386101), (69, 302166), (138, 151083), (207, 100722), (414, 50361), (621, 33574), (1242, 16787)]