20403976317

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1521209}}^1$

素因数の和:1521492

約数の個数: 16

約数和(自身を含む): 28915159680

約数和(自身を除く): 8511183363

約数列:

[1, 3, 17, 51, 263, 789, 4471, 13413, 1521209, 4563627, 25860553, 77581659, 400077967, 1200233901, 6801325439, 20403976317]

約数ペア:

[(1, 20403976317), (3, 6801325439), (17, 1200233901), (51, 400077967), (263, 77581659), (789, 25860553), (4471, 4563627), (13413, 1521209)]