20147642193

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{461}}^1\times {\mathrm{6779}}^1$

素因数の和:7557

約数の個数: 32

約数和(自身を含む): 30872540160

約数和(自身を除く): 10724897967

約数列:

[1, 3, 7, 21, 307, 461, 921, 1383, 2149, 3227, 6447, 6779, 9681, 20337, 47453, 141527, 142359, 424581, 990689, 2081153, 2972067, 3125119, 6243459, 9375357, 14568071, 21875833, 43704213, 65627499, 959411533, 2878234599, 6715880731, 20147642193]

約数ペア:

[(1, 20147642193), (3, 6715880731), (7, 2878234599), (21, 959411533), (307, 65627499), (461, 43704213), (921, 21875833), (1383, 14568071), (2149, 9375357), (3227, 6243459), (6447, 3125119), (6779, 2972067), (9681, 2081153), (20337, 990689), (47453, 424581), (141527, 142359)]