20003741392

素因数分解:

$2^4\times {\mathrm{20533}}^1\times {\mathrm{60889}}^1$

素因数の和:81430

約数の個数: 20

約数和(自身を含む): 38759773060

約数和(自身を除く): 18756031668

約数列:

[1, 2, 4, 8, 16, 20533, 41066, 60889, 82132, 121778, 164264, 243556, 328528, 487112, 974224, 1250233837, 2500467674, 5000935348, 10001870696, 20003741392]

約数ペア:

[(1, 20003741392), (2, 10001870696), (4, 5000935348), (8, 2500467674), (16, 1250233837), (20533, 974224), (41066, 487112), (60889, 328528), (82132, 243556), (121778, 164264)]