20951281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 23914240

約数和(自身を除く): 2962959

約数列:

[1, 13, 19, 247, 271, 313, 3523, 4069, 5149, 5947, 66937, 77311, 84823, 1102699, 1611637, 20951281]

約数ペア:

[(1, 20951281), (13, 1611637), (19, 1102699), (247, 84823), (271, 77311), (313, 66937), (3523, 5947), (4069, 5149)]