20512754379

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4738451}}^1$

素因数の和:4738507

約数の個数: 24

約数和(自身を含む): 32771134032

約数和(自身を除く): 12258379653

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4738451, 14215353, 42646059, 61599863, 175322687, 184799589, 525968061, 554398767, 1577904183, 2279194931, 6837584793, 20512754379]

約数ペア:

[(1, 20512754379), (3, 6837584793), (9, 2279194931), (13, 1577904183), (37, 554398767), (39, 525968061), (111, 184799589), (117, 175322687), (333, 61599863), (481, 42646059), (1443, 14215353), (4329, 4738451)]