20154638

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18223}}^1$

素因数の和:18311

約数の個数: 16

約数和(自身を含む): 34990080

約数和(自身を除く): 14835442

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18223, 36446, 127561, 255122, 1439617, 2879234, 10077319, 20154638]

約数ペア:

[(1, 20154638), (2, 10077319), (7, 2879234), (14, 1439617), (79, 255122), (158, 127561), (553, 36446), (1106, 18223)]