20958178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32443}}^1$

素因数の和:32481

約数の個数: 16

約数和(自身を含む): 35039520

約数和(自身を除く): 14081342

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32443, 64886, 551531, 616417, 1103062, 1232834, 10479089, 20958178]

約数ペア:

[(1, 20958178), (2, 10479089), (17, 1232834), (19, 1103062), (34, 616417), (38, 551531), (323, 64886), (646, 32443)]