20212258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1609}}^1$

素因数の和:2193

約数の個数: 16

約数和(自身を含む): 33153120

約数和(自身を除く): 12940862

約数列:

[1, 2, 11, 22, 571, 1142, 1609, 3218, 6281, 12562, 17699, 35398, 918739, 1837478, 10106129, 20212258]

約数ペア:

[(1, 20212258), (2, 10106129), (11, 1837478), (22, 918739), (571, 35398), (1142, 17699), (1609, 12562), (3218, 6281)]