20199973960

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1\times {\mathrm{677}}^1$

素因数の和:1063

約数の個数: 128

約数和(自身を含む): 47449152000

約数和(自身を除く): 27249178040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 59, 94, 118, 188, 235, 236, 269, 295, 376, 470, 472, 538, 590, 677, 940, 1076, 1180, 1345, 1354, 1880, 2152, 2360, 2690, 2708, 2773, 3385, 5380, 5416, 5546, 6770, 10760, 11092, 12643, 13540, 13865, 15871, 22184, 25286, 27080, 27730, 31742, 31819, 39943, 50572, 55460, 63215, 63484, 63638, 79355, 79886, 101144, 110920, 126430, 126968, 127276, 158710, 159095, 159772, 182113, 199715, 252860, 254552, 317420, 318190, 319544, 364226, 399430, 505720, 634840, 636380, 728452, 745937, 798860, 910565, 1272760, 1456904, 1491874, 1597720, 1821130, 1877321, 2983748, 3642260, 3729685, 3754642, 5967496, 7284520, 7459370, 7509284, 8559311, 9386605, 10744667, 14918740, 15018568, 17118622, 18773210, 21489334, 29837480, 34237244, 37546420, 42796555, 42978668, 53723335, 68474488, 75092840, 85593110, 85957336, 107446670, 171186220, 214893340, 342372440, 429786680, 504999349, 1009998698, 2019997396, 2524996745, 4039994792, 5049993490, 10099986980, 20199973960]

約数ペア:

[(1, 20199973960), (2, 10099986980), (4, 5049993490), (5, 4039994792), (8, 2524996745), (10, 2019997396), (20, 1009998698), (40, 504999349), (47, 429786680), (59, 342372440), (94, 214893340), (118, 171186220), (188, 107446670), (235, 85957336), (236, 85593110), (269, 75092840), (295, 68474488), (376, 53723335), (470, 42978668), (472, 42796555), (538, 37546420), (590, 34237244), (677, 29837480), (940, 21489334), (1076, 18773210), (1180, 17118622), (1345, 15018568), (1354, 14918740), (1880, 10744667), (2152, 9386605), (2360, 8559311), (2690, 7509284), (2708, 7459370), (2773, 7284520), (3385, 5967496), (5380, 3754642), (5416, 3729685), (5546, 3642260), (6770, 2983748), (10760, 1877321), (11092, 1821130), (12643, 1597720), (13540, 1491874), (13865, 1456904), (15871, 1272760), (22184, 910565), (25286, 798860), (27080, 745937), (27730, 728452), (31742, 636380), (31819, 634840), (39943, 505720), (50572, 399430), (55460, 364226), (63215, 319544), (63484, 318190), (63638, 317420), (79355, 254552), (79886, 252860), (101144, 199715), (110920, 182113), (126430, 159772), (126968, 159095), (127276, 158710)]