20105883087

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{941}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 28740872160

約数和(自身を除く): 8634989073

約数列:

[1, 3, 19, 57, 109, 181, 327, 361, 543, 941, 1083, 2071, 2823, 3439, 6213, 10317, 17879, 19729, 39349, 53637, 59187, 65341, 102569, 118047, 170321, 196023, 307707, 339701, 374851, 510963, 1019103, 1124553, 1948811, 3236099, 5846433, 7122169, 9708297, 18564989, 21366507, 37027409, 55694967, 61485881, 111082227, 184457643, 352734791, 1058204373, 6701961029, 20105883087]

約数ペア:

[(1, 20105883087), (3, 6701961029), (19, 1058204373), (57, 352734791), (109, 184457643), (181, 111082227), (327, 61485881), (361, 55694967), (543, 37027409), (941, 21366507), (1083, 18564989), (2071, 9708297), (2823, 7122169), (3439, 5846433), (6213, 3236099), (10317, 1948811), (17879, 1124553), (19729, 1019103), (39349, 510963), (53637, 374851), (59187, 339701), (65341, 307707), (102569, 196023), (118047, 170321)]