20180692551

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1\times {\mathrm{1567}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 27866245120

約数和(自身を除く): 7685552569

約数列:

[1, 3, 37, 111, 157, 471, 739, 1567, 2217, 4701, 5809, 17427, 27343, 57979, 82029, 116023, 173937, 246019, 348069, 738057, 1158013, 3474039, 4292851, 9102703, 12878553, 27308109, 42846481, 128539443, 181808041, 545424123, 6726897517, 20180692551]

約数ペア:

[(1, 20180692551), (3, 6726897517), (37, 545424123), (111, 181808041), (157, 128539443), (471, 42846481), (739, 27308109), (1567, 12878553), (2217, 9102703), (4701, 4292851), (5809, 3474039), (17427, 1158013), (27343, 738057), (57979, 348069), (82029, 246019), (116023, 173937)]