20216171

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 22116000

約数和(自身を除く): 1899829

約数列:

[1, 19, 37, 149, 193, 703, 2831, 3667, 5513, 7141, 28757, 104747, 135679, 546383, 1064009, 20216171]

約数ペア:

[(1, 20216171), (19, 1064009), (37, 546383), (149, 135679), (193, 104747), (703, 28757), (2831, 7141), (3667, 5513)]