20661818688

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{379}}^1\times {\mathrm{4507}}^1$

素因数の和:4914

約数の個数: 224

約数和(自身を含む): 69617945600

約数和(自身を除く): 48956126912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 224, 252, 288, 336, 378, 379, 432, 448, 504, 576, 672, 756, 758, 864, 1008, 1137, 1344, 1512, 1516, 1728, 2016, 2274, 2653, 3024, 3032, 3411, 4032, 4507, 4548, 5306, 6048, 6064, 6822, 7959, 9014, 9096, 10233, 10612, 12096, 12128, 13521, 13644, 15918, 18028, 18192, 20466, 21224, 23877, 24256, 27042, 27288, 31549, 31836, 36056, 36384, 40563, 40932, 42448, 47754, 54084, 54576, 63098, 63672, 71631, 72112, 72768, 81126, 81864, 84896, 94647, 95508, 108168, 109152, 121689, 126196, 127344, 143262, 144224, 162252, 163728, 169792, 189294, 191016, 216336, 218304, 243378, 252392, 254688, 283941, 286524, 288448, 324504, 327456, 378588, 382032, 432672, 486756, 504784, 509376, 567882, 573048, 649008, 654912, 757176, 764064, 851823, 865344, 973512, 1009568, 1135764, 1146096, 1298016, 1514352, 1528128, 1703646, 1708153, 1947024, 2019136, 2271528, 2292192, 2596032, 3028704, 3407292, 3416306, 3894048, 4543056, 4584384, 5124459, 6057408, 6814584, 6832612, 7788096, 9086112, 10248918, 11957071, 13629168, 13665224, 15373377, 18172224, 20497836, 23914142, 27258336, 27330448, 30746754, 35871213, 40995672, 46120131, 47828284, 54516672, 54660896, 61493508, 71742426, 81991344, 92240262, 95656568, 107613639, 109321792, 122987016, 143484852, 163982688, 184480524, 191313136, 215227278, 245974032, 286969704, 322840917, 327965376, 368961048, 382626272, 430454556, 491948064, 573939408, 645681834, 737922096, 765252544, 860909112, 983896128, 1147878816, 1291363668, 1475844192, 1721818224, 2295757632, 2582727336, 2951688384, 3443636448, 5165454672, 6887272896, 10330909344, 20661818688]

約数ペア:

[(1, 20661818688), (2, 10330909344), (3, 6887272896), (4, 5165454672), (6, 3443636448), (7, 2951688384), (8, 2582727336), (9, 2295757632), (12, 1721818224), (14, 1475844192), (16, 1291363668), (18, 1147878816), (21, 983896128), (24, 860909112), (27, 765252544), (28, 737922096), (32, 645681834), (36, 573939408), (42, 491948064), (48, 430454556), (54, 382626272), (56, 368961048), (63, 327965376), (64, 322840917), (72, 286969704), (84, 245974032), (96, 215227278), (108, 191313136), (112, 184480524), (126, 163982688), (144, 143484852), (168, 122987016), (189, 109321792), (192, 107613639), (216, 95656568), (224, 92240262), (252, 81991344), (288, 71742426), (336, 61493508), (378, 54660896), (379, 54516672), (432, 47828284), (448, 46120131), (504, 40995672), (576, 35871213), (672, 30746754), (756, 27330448), (758, 27258336), (864, 23914142), (1008, 20497836), (1137, 18172224), (1344, 15373377), (1512, 13665224), (1516, 13629168), (1728, 11957071), (2016, 10248918), (2274, 9086112), (2653, 7788096), (3024, 6832612), (3032, 6814584), (3411, 6057408), (4032, 5124459), (4507, 4584384), (4548, 4543056), (5306, 3894048), (6048, 3416306), (6064, 3407292), (6822, 3028704), (7959, 2596032), (9014, 2292192), (9096, 2271528), (10233, 2019136), (10612, 1947024), (12096, 1708153), (12128, 1703646), (13521, 1528128), (13644, 1514352), (15918, 1298016), (18028, 1146096), (18192, 1135764), (20466, 1009568), (21224, 973512), (23877, 865344), (24256, 851823), (27042, 764064), (27288, 757176), (31549, 654912), (31836, 649008), (36056, 573048), (36384, 567882), (40563, 509376), (40932, 504784), (42448, 486756), (47754, 432672), (54084, 382032), (54576, 378588), (63098, 327456), (63672, 324504), (71631, 288448), (72112, 286524), (72768, 283941), (81126, 254688), (81864, 252392), (84896, 243378), (94647, 218304), (95508, 216336), (108168, 191016), (109152, 189294), (121689, 169792), (126196, 163728), (127344, 162252), (143262, 144224)]