20139171

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{10987}}^1$

素因数の和:11050

約数の個数: 16

約数和(自身を含む): 29535744

約数和(自身を除く): 9396573

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 10987, 32961, 142831, 428493, 516389, 1549167, 6713057, 20139171]

約数ペア:

[(1, 20139171), (3, 6713057), (13, 1549167), (39, 516389), (47, 428493), (141, 142831), (611, 32961), (1833, 10987)]