20877448

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{89989}}^1$

素因数の和:90024

約数の個数: 16

約数和(自身を含む): 40495500

約数和(自身を除く): 19618052

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 89989, 179978, 359956, 719912, 2609681, 5219362, 10438724, 20877448]

約数ペア:

[(1, 20877448), (2, 10438724), (4, 5219362), (8, 2609681), (29, 719912), (58, 359956), (116, 179978), (232, 89989)]