20123248535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{38047}}^1$

素因数の和:38247

約数の個数: 32

約数和(自身を含む): 26590986240

約数和(自身を除く): 6467737705

約数列:

[1, 5, 13, 65, 79, 103, 395, 515, 1027, 1339, 5135, 6695, 8137, 38047, 40685, 105781, 190235, 494611, 528905, 2473055, 3005713, 3918841, 15028565, 19594205, 39074269, 50944933, 195371345, 254724665, 309588439, 1547942195, 4024649707, 20123248535]

約数ペア:

[(1, 20123248535), (5, 4024649707), (13, 1547942195), (65, 309588439), (79, 254724665), (103, 195371345), (395, 50944933), (515, 39074269), (1027, 19594205), (1339, 15028565), (5135, 3918841), (6695, 3005713), (8137, 2473055), (38047, 528905), (40685, 494611), (105781, 190235)]