20384494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18233}}^1$

素因数の和:18291

約数の個数: 16

約数和(自身を含む): 33696432

約数和(自身を除く): 13311938

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18233, 36466, 237029, 474058, 784019, 1568038, 10192247, 20384494]

約数ペア:

[(1, 20384494), (2, 10192247), (13, 1568038), (26, 784019), (43, 474058), (86, 237029), (559, 36466), (1118, 18233)]