20205213

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15773}}^1$

素因数の和:15844

約数の個数: 16

約数和(自身を含む): 31295616

約数和(自身を除く): 11090403

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15773, 47319, 110411, 331233, 962153, 2886459, 6735071, 20205213]

約数ペア:

[(1, 20205213), (3, 6735071), (7, 2886459), (21, 962153), (61, 331233), (183, 110411), (427, 47319), (1281, 15773)]