20158493405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{61141}}^1$

素因数の和:61277

約数の個数: 32

約数和(自身を含む): 26202037248

約数和(自身を除く): 6043543843

約数列:

[1, 5, 23, 47, 61, 115, 235, 305, 1081, 1403, 2867, 5405, 7015, 14335, 61141, 65941, 305705, 329705, 1406243, 2873627, 3729601, 7031215, 14368135, 18648005, 66093421, 85780823, 175291247, 330467105, 428904115, 876456235, 4031698681, 20158493405]

約数ペア:

[(1, 20158493405), (5, 4031698681), (23, 876456235), (47, 428904115), (61, 330467105), (115, 175291247), (235, 85780823), (305, 66093421), (1081, 18648005), (1403, 14368135), (2867, 7031215), (5405, 3729601), (7015, 2873627), (14335, 1406243), (61141, 329705), (65941, 305705)]