20122010840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1783}}^1\times {\mathrm{4211}}^1$

素因数の和:6072

約数の個数: 64

約数和(自身を含む): 45986952960

約数和(自身を除く): 25864942120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1783, 2680, 3566, 4211, 7132, 8422, 8915, 14264, 16844, 17830, 21055, 33688, 35660, 42110, 71320, 84220, 119461, 168440, 238922, 282137, 477844, 564274, 597305, 955688, 1128548, 1194610, 1410685, 2257096, 2389220, 2821370, 4778440, 5642740, 7508213, 11285480, 15016426, 30032852, 37541065, 60065704, 75082130, 150164260, 300328520, 503050271, 1006100542, 2012201084, 2515251355, 4024402168, 5030502710, 10061005420, 20122010840]

約数ペア:

[(1, 20122010840), (2, 10061005420), (4, 5030502710), (5, 4024402168), (8, 2515251355), (10, 2012201084), (20, 1006100542), (40, 503050271), (67, 300328520), (134, 150164260), (268, 75082130), (335, 60065704), (536, 37541065), (670, 30032852), (1340, 15016426), (1783, 11285480), (2680, 7508213), (3566, 5642740), (4211, 4778440), (7132, 2821370), (8422, 2389220), (8915, 2257096), (14264, 1410685), (16844, 1194610), (17830, 1128548), (21055, 955688), (33688, 597305), (35660, 564274), (42110, 477844), (71320, 282137), (84220, 238922), (119461, 168440)]