20288575460

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^2\times {\mathrm{1597}}^1$

素因数の和:3200

約数の個数: 36

約数和(自身を含む): 42686245812

約数和(自身を除く): 22397670352

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 1597, 3188, 3194, 3985, 6388, 7970, 7985, 15940, 15970, 31940, 635209, 1270418, 1272809, 2540836, 2545618, 3176045, 5091236, 6352090, 6364045, 12704180, 12728090, 25456180, 1014428773, 2028857546, 4057715092, 5072143865, 10144287730, 20288575460]

約数ペア:

[(1, 20288575460), (2, 10144287730), (4, 5072143865), (5, 4057715092), (10, 2028857546), (20, 1014428773), (797, 25456180), (1594, 12728090), (1597, 12704180), (3188, 6364045), (3194, 6352090), (3985, 5091236), (6388, 3176045), (7970, 2545618), (7985, 2540836), (15940, 1272809), (15970, 1270418), (31940, 635209)]