20507384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134917}}^1$

素因数の和:134942

約数の個数: 16

約数和(自身を含む): 40475400

約数和(自身を除く): 19968016

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134917, 269834, 539668, 1079336, 2563423, 5126846, 10253692, 20507384]

約数ペア:

[(1, 20507384), (2, 10253692), (4, 5126846), (8, 2563423), (19, 1079336), (38, 539668), (76, 269834), (152, 134917)]