20123004454

素因数分解:

$2^1\times 7^1\times {\mathrm{6971}}^1\times {\mathrm{206191}}^1$

素因数の和:213171

約数の個数: 16

約数和(自身を含む): 34501694976

約数和(自身を除く): 14378690522

約数列:

[1, 2, 7, 14, 6971, 13942, 48797, 97594, 206191, 412382, 1443337, 2886674, 1437357461, 2874714922, 10061502227, 20123004454]

約数ペア:

[(1, 20123004454), (2, 10061502227), (7, 2874714922), (14, 1437357461), (6971, 2886674), (13942, 1443337), (48797, 412382), (97594, 206191)]