20163979479

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{53759}}^1$

素因数の和:54159

約数の個数: 32

約数和(自身を含む): 31399280640

約数和(自身を除く): 11235301161

約数列:

[1, 3, 7, 21, 53, 159, 337, 371, 1011, 1113, 2359, 7077, 17861, 53583, 53759, 125027, 161277, 375081, 376313, 1128939, 2849227, 8547681, 18116783, 19944589, 54350349, 59833767, 126817481, 380452443, 960189499, 2880568497, 6721326493, 20163979479]

約数ペア:

[(1, 20163979479), (3, 6721326493), (7, 2880568497), (21, 960189499), (53, 380452443), (159, 126817481), (337, 59833767), (371, 54350349), (1011, 19944589), (1113, 18116783), (2359, 8547681), (7077, 2849227), (17861, 1128939), (53583, 376313), (53759, 375081), (125027, 161277)]