20485451

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1514

約数の個数: 16

約数和(自身を含む): 24545280

約数和(自身を除く): 4059829

約数列:

[1, 7, 31, 67, 217, 469, 1409, 2077, 9863, 14539, 43679, 94403, 305753, 660821, 2926493, 20485451]

約数ペア:

[(1, 20485451), (7, 2926493), (31, 660821), (67, 305753), (217, 94403), (469, 43679), (1409, 14539), (2077, 9863)]