20808993189

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{1201}}^1\times {\mathrm{108971}}^1$

素因数の和:110228

約数の個数: 16

約数和(自身を含む): 28292618304

約数和(自身を除く): 7483625115

約数列:

[1, 3, 53, 159, 1201, 3603, 63653, 108971, 190959, 326913, 5775463, 17326389, 130874171, 392622513, 6936331063, 20808993189]

約数ペア:

[(1, 20808993189), (3, 6936331063), (53, 392622513), (159, 130874171), (1201, 17326389), (3603, 5775463), (63653, 326913), (108971, 190959)]