20199421790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87823573}}^1$

素因数の和:87823603

約数の個数: 16

約数和(自身を含む): 37939783968

約数和(自身を除く): 17740362178

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87823573, 175647146, 439117865, 878235730, 2019942179, 4039884358, 10099710895, 20199421790]

約数ペア:

[(1, 20199421790), (2, 10099710895), (5, 4039884358), (10, 2019942179), (23, 878235730), (46, 439117865), (115, 175647146), (230, 87823573)]