20189552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66413}}^1$

素因数の和:66440

約数の個数: 20

約数和(自身を含む): 41176680

約数和(自身を除く): 20987128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66413, 132826, 265652, 531304, 1062608, 1261847, 2523694, 5047388, 10094776, 20189552]

約数ペア:

[(1, 20189552), (2, 10094776), (4, 5047388), (8, 2523694), (16, 1261847), (19, 1062608), (38, 531304), (76, 265652), (152, 132826), (304, 66413)]