20900229700

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{104033}}^1$

素因数の和:104102

約数の個数: 108

約数和(自身を含む): 54045454932

約数和(自身を除く): 33145225232

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 140, 164, 175, 196, 205, 245, 287, 350, 410, 490, 574, 700, 820, 980, 1025, 1148, 1225, 1435, 2009, 2050, 2450, 2870, 4018, 4100, 4900, 5740, 7175, 8036, 10045, 14350, 20090, 28700, 40180, 50225, 100450, 104033, 200900, 208066, 416132, 520165, 728231, 1040330, 1456462, 2080660, 2600825, 2912924, 3641155, 4265353, 5097617, 5201650, 7282310, 8530706, 10195234, 10403300, 14564620, 17061412, 18205775, 20390468, 21326765, 25488085, 29857471, 36411550, 42653530, 50976170, 59714942, 72823100, 85307060, 101952340, 106633825, 119429884, 127440425, 149287355, 209002297, 213267650, 254880850, 298574710, 418004594, 426535300, 509761700, 597149420, 746436775, 836009188, 1045011485, 1492873550, 2090022970, 2985747100, 4180045940, 5225057425, 10450114850, 20900229700]

約数ペア:

[(1, 20900229700), (2, 10450114850), (4, 5225057425), (5, 4180045940), (7, 2985747100), (10, 2090022970), (14, 1492873550), (20, 1045011485), (25, 836009188), (28, 746436775), (35, 597149420), (41, 509761700), (49, 426535300), (50, 418004594), (70, 298574710), (82, 254880850), (98, 213267650), (100, 209002297), (140, 149287355), (164, 127440425), (175, 119429884), (196, 106633825), (205, 101952340), (245, 85307060), (287, 72823100), (350, 59714942), (410, 50976170), (490, 42653530), (574, 36411550), (700, 29857471), (820, 25488085), (980, 21326765), (1025, 20390468), (1148, 18205775), (1225, 17061412), (1435, 14564620), (2009, 10403300), (2050, 10195234), (2450, 8530706), (2870, 7282310), (4018, 5201650), (4100, 5097617), (4900, 4265353), (5740, 3641155), (7175, 2912924), (8036, 2600825), (10045, 2080660), (14350, 1456462), (20090, 1040330), (28700, 728231), (40180, 520165), (50225, 416132), (100450, 208066), (104033, 200900)]