20129796728

素因数分解:

$2^3\times {\mathrm{383}}^1\times {\mathrm{683}}^1\times {\mathrm{9619}}^1$

素因数の和:10691

約数の個数: 32

約数和(自身を含む): 37901260800

約数和(自身を除く): 17771464072

約数列:

[1, 2, 4, 8, 383, 683, 766, 1366, 1532, 2732, 3064, 5464, 9619, 19238, 38476, 76952, 261589, 523178, 1046356, 2092712, 3684077, 6569777, 7368154, 13139554, 14736308, 26279108, 29472616, 52558216, 2516224591, 5032449182, 10064898364, 20129796728]

約数ペア:

[(1, 20129796728), (2, 10064898364), (4, 5032449182), (8, 2516224591), (383, 52558216), (683, 29472616), (766, 26279108), (1366, 14736308), (1532, 13139554), (2732, 7368154), (3064, 6569777), (5464, 3684077), (9619, 2092712), (19238, 1046356), (38476, 523178), (76952, 261589)]