20808437403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1371593}}^1$

素因数の和:1371998

約数の個数: 16

約数和(自身を含む): 29955612960

約数和(自身を除く): 9147175557

約数列:

[1, 3, 13, 39, 389, 1167, 5057, 15171, 1371593, 4114779, 17830709, 53492127, 533549677, 1600649031, 6936145801, 20808437403]

約数ペア:

[(1, 20808437403), (3, 6936145801), (13, 1600649031), (39, 533549677), (389, 53492127), (1167, 17830709), (5057, 4114779), (15171, 1371593)]