20197473978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{1081351}}^1$

素因数の和:1081650

約数の個数: 32

約数和(自身を含む): 44222971392

約数和(自身を除く): 24025497414

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 283, 566, 849, 1698, 3113, 6226, 9339, 18678, 1081351, 2162702, 3244053, 6488106, 11894861, 23789722, 35684583, 71369166, 306022333, 612044666, 918066999, 1836133998, 3366245663, 6732491326, 10098736989, 20197473978]

約数ペア:

[(1, 20197473978), (2, 10098736989), (3, 6732491326), (6, 3366245663), (11, 1836133998), (22, 918066999), (33, 612044666), (66, 306022333), (283, 71369166), (566, 35684583), (849, 23789722), (1698, 11894861), (3113, 6488106), (6226, 3244053), (9339, 2162702), (18678, 1081351)]