20779780486

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1\times {\mathrm{219971}}^1$

素因数の和:220439

約数の個数: 16

約数和(自身を含む): 31477993200

約数和(自身を除く): 10698212714

約数列:

[1, 2, 149, 298, 317, 634, 47233, 94466, 219971, 439942, 32775679, 65551358, 69730807, 139461614, 10389890243, 20779780486]

約数ペア:

[(1, 20779780486), (2, 10389890243), (149, 139461614), (298, 69730807), (317, 65551358), (634, 32775679), (47233, 439942), (94466, 219971)]