20442458

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1\times {\mathrm{509}}^1$

素因数の和:1021

約数の個数: 16

約数和(自身を含む): 31505760

約数和(自身を除く): 11063302

約数列:

[1, 2, 43, 86, 467, 509, 934, 1018, 20081, 21887, 40162, 43774, 237703, 475406, 10221229, 20442458]

約数ペア:

[(1, 20442458), (2, 10221229), (43, 475406), (86, 237703), (467, 43774), (509, 40162), (934, 21887), (1018, 20081)]