20089779

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 28823760

約数和(自身を除く): 8733981

約数列:

[1, 3, 29, 37, 79, 87, 111, 237, 1073, 2291, 2923, 3219, 6241, 6873, 8769, 18723, 84767, 180989, 230917, 254301, 542967, 692751, 6696593, 20089779]

約数ペア:

[(1, 20089779), (3, 6696593), (29, 692751), (37, 542967), (79, 254301), (87, 230917), (111, 180989), (237, 84767), (1073, 18723), (2291, 8769), (2923, 6873), (3219, 6241)]