20896120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2017}}^1$

素因数の和:2072

約数の個数: 64

約数和(自身を含む): 55212480

約数和(自身を除く): 34316360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2017, 2072, 2590, 4034, 5180, 8068, 10085, 10360, 14119, 16136, 20170, 28238, 40340, 56476, 70595, 74629, 80680, 112952, 141190, 149258, 282380, 298516, 373145, 522403, 564760, 597032, 746290, 1044806, 1492580, 2089612, 2612015, 2985160, 4179224, 5224030, 10448060, 20896120]

約数ペア:

[(1, 20896120), (2, 10448060), (4, 5224030), (5, 4179224), (7, 2985160), (8, 2612015), (10, 2089612), (14, 1492580), (20, 1044806), (28, 746290), (35, 597032), (37, 564760), (40, 522403), (56, 373145), (70, 298516), (74, 282380), (140, 149258), (148, 141190), (185, 112952), (259, 80680), (280, 74629), (296, 70595), (370, 56476), (518, 40340), (740, 28238), (1036, 20170), (1295, 16136), (1480, 14119), (2017, 10360), (2072, 10085), (2590, 8068), (4034, 5180)]