20356973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13159}}^1$

素因数の和:13196

約数の個数: 16

約数和(自身を含む): 26530560

約数和(自身を除く): 6173587

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 13159, 92113, 171067, 223703, 1197469, 1565921, 2908139, 20356973]

約数ペア:

[(1, 20356973), (7, 2908139), (13, 1565921), (17, 1197469), (91, 223703), (119, 171067), (221, 92113), (1547, 13159)]