20520228

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{90001}}^1$

素因数の和:90027

約数の個数: 24

約数和(自身を含む): 50401120

約数和(自身を除く): 29880892

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 90001, 180002, 270003, 360004, 540006, 1080012, 1710019, 3420038, 5130057, 6840076, 10260114, 20520228]

約数ペア:

[(1, 20520228), (2, 10260114), (3, 6840076), (4, 5130057), (6, 3420038), (12, 1710019), (19, 1080012), (38, 540006), (57, 360004), (76, 270003), (114, 180002), (228, 90001)]