20200049748

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{877}}^1\times {\mathrm{20639}}^1$

素因数の和:21557

約数の個数: 72

約数和(自身を含む): 52771031040

約数和(自身を除く): 32570981292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 877, 1116, 1754, 2631, 3508, 5262, 7893, 10524, 15786, 20639, 27187, 31572, 41278, 54374, 61917, 81561, 82556, 108748, 123834, 163122, 185751, 244683, 247668, 326244, 371502, 489366, 639809, 743004, 978732, 1279618, 1919427, 2559236, 3838854, 5758281, 7677708, 11516562, 18100403, 23033124, 36200806, 54301209, 72401612, 108602418, 162903627, 217204836, 325807254, 561112493, 651614508, 1122224986, 1683337479, 2244449972, 3366674958, 5050012437, 6733349916, 10100024874, 20200049748]

約数ペア:

[(1, 20200049748), (2, 10100024874), (3, 6733349916), (4, 5050012437), (6, 3366674958), (9, 2244449972), (12, 1683337479), (18, 1122224986), (31, 651614508), (36, 561112493), (62, 325807254), (93, 217204836), (124, 162903627), (186, 108602418), (279, 72401612), (372, 54301209), (558, 36200806), (877, 23033124), (1116, 18100403), (1754, 11516562), (2631, 7677708), (3508, 5758281), (5262, 3838854), (7893, 2559236), (10524, 1919427), (15786, 1279618), (20639, 978732), (27187, 743004), (31572, 639809), (41278, 489366), (54374, 371502), (61917, 326244), (81561, 247668), (82556, 244683), (108748, 185751), (123834, 163122)]