20458459

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1523}}^1$

素因数の和:1650

約数の個数: 16

約数和(自身を含む): 24871680

約数和(自身を除く): 4413221

約数列:

[1, 7, 19, 101, 133, 707, 1523, 1919, 10661, 13433, 28937, 153823, 202559, 1076761, 2922637, 20458459]

約数ペア:

[(1, 20458459), (7, 2922637), (19, 1076761), (101, 202559), (133, 153823), (707, 28937), (1523, 13433), (1919, 10661)]