20139789

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4111}}^1$

素因数の和:4208

約数の個数: 16

約数和(自身を含む): 28422144

約数和(自身を除く): 8282355

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4111, 4899, 12333, 94553, 283659, 291881, 875643, 6713263, 20139789]

約数ペア:

[(1, 20139789), (3, 6713263), (23, 875643), (69, 291881), (71, 283659), (213, 94553), (1633, 12333), (4111, 4899)]