20803500016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{166973}}^1$

素因数の和:167593

約数の個数: 40

約数和(自身を含む): 43480029600

約数和(自身を除く): 22676529584

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 599, 1198, 2396, 4792, 7787, 9584, 15574, 31148, 62296, 124592, 166973, 333946, 667892, 1335784, 2170649, 2671568, 4341298, 8682596, 17365192, 34730384, 100016827, 200033654, 400067308, 800134616, 1300218751, 1600269232, 2600437502, 5200875004, 10401750008, 20803500016]

約数ペア:

[(1, 20803500016), (2, 10401750008), (4, 5200875004), (8, 2600437502), (13, 1600269232), (16, 1300218751), (26, 800134616), (52, 400067308), (104, 200033654), (208, 100016827), (599, 34730384), (1198, 17365192), (2396, 8682596), (4792, 4341298), (7787, 2671568), (9584, 2170649), (15574, 1335784), (31148, 667892), (62296, 333946), (124592, 166973)]