20860492072

素因数分解:

$2^3\times 7^2\times {\mathrm{1021}}^1\times {\mathrm{52121}}^1$

素因数の和:53162

約数の個数: 48

約数和(自身を含む): 45544724820

約数和(自身を除く): 24684232748

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 1021, 2042, 4084, 7147, 8168, 14294, 28588, 50029, 52121, 57176, 100058, 104242, 200116, 208484, 364847, 400232, 416968, 729694, 1459388, 2553929, 2918776, 5107858, 10215716, 20431432, 53215541, 106431082, 212862164, 372508787, 425724328, 745017574, 1490035148, 2607561509, 2980070296, 5215123018, 10430246036, 20860492072]

約数ペア:

[(1, 20860492072), (2, 10430246036), (4, 5215123018), (7, 2980070296), (8, 2607561509), (14, 1490035148), (28, 745017574), (49, 425724328), (56, 372508787), (98, 212862164), (196, 106431082), (392, 53215541), (1021, 20431432), (2042, 10215716), (4084, 5107858), (7147, 2918776), (8168, 2553929), (14294, 1459388), (28588, 729694), (50029, 416968), (52121, 400232), (57176, 364847), (100058, 208484), (104242, 200116)]