20448771

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42337}}^1$

素因数の和:42370

約数の個数: 16

約数和(自身を含む): 32515584

約数和(自身を除く): 12066813

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42337, 127011, 296359, 889077, 973751, 2921253, 6816257, 20448771]

約数ペア:

[(1, 20448771), (3, 6816257), (7, 2921253), (21, 973751), (23, 889077), (69, 296359), (161, 127011), (483, 42337)]