20119824

素因数分解:

$2^4\times 3^2\times {\mathrm{139721}}^1$

素因数の和:139735

約数の個数: 30

約数和(自身を含む): 56307966

約数和(自身を除く): 36188142

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 139721, 279442, 419163, 558884, 838326, 1117768, 1257489, 1676652, 2235536, 2514978, 3353304, 5029956, 6706608, 10059912, 20119824]

約数ペア:

[(1, 20119824), (2, 10059912), (3, 6706608), (4, 5029956), (6, 3353304), (8, 2514978), (9, 2235536), (12, 1676652), (16, 1257489), (18, 1117768), (24, 838326), (36, 558884), (48, 419163), (72, 279442), (144, 139721)]