20556757

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 23611392

約数和(自身を除く): 3054635

約数列:

[1, 13, 17, 191, 221, 487, 2483, 3247, 6331, 8279, 42211, 93017, 107627, 1209221, 1581289, 20556757]

約数ペア:

[(1, 20556757), (13, 1581289), (17, 1209221), (191, 107627), (221, 93017), (487, 42211), (2483, 8279), (3247, 6331)]