20349660882

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1\times {\mathrm{1223}}^1$

素因数の和:1719

約数の個数: 64

約数和(自身を含む): 41751521280

約数和(自身を除く): 21401860398

約数列:

[1, 2, 3, 6, 71, 139, 142, 213, 278, 281, 417, 426, 562, 834, 843, 1223, 1686, 2446, 3669, 7338, 9869, 19738, 19951, 29607, 39059, 39902, 59214, 59853, 78118, 86833, 117177, 119706, 169997, 173666, 234354, 260499, 339994, 343663, 509991, 520998, 687326, 1019982, 1030989, 2061978, 2773189, 5546378, 8319567, 12069787, 16639134, 24139574, 24400073, 36209361, 47769157, 48800146, 72418722, 73200219, 95538314, 143307471, 146400438, 286614942, 3391610147, 6783220294, 10174830441, 20349660882]

約数ペア:

[(1, 20349660882), (2, 10174830441), (3, 6783220294), (6, 3391610147), (71, 286614942), (139, 146400438), (142, 143307471), (213, 95538314), (278, 73200219), (281, 72418722), (417, 48800146), (426, 47769157), (562, 36209361), (834, 24400073), (843, 24139574), (1223, 16639134), (1686, 12069787), (2446, 8319567), (3669, 5546378), (7338, 2773189), (9869, 2061978), (19738, 1030989), (19951, 1019982), (29607, 687326), (39059, 520998), (39902, 509991), (59214, 343663), (59853, 339994), (78118, 260499), (86833, 234354), (117177, 173666), (119706, 169997)]