20153257984

素因数分解:

$2^{12}\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 156

約数和(自身を含む): 43049536992

約数和(自身を除く): 22896279008

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 128, 131, 142, 184, 256, 262, 284, 368, 512, 524, 529, 568, 736, 1024, 1048, 1058, 1136, 1472, 1633, 2048, 2096, 2116, 2272, 2944, 3013, 3266, 4096, 4192, 4232, 4544, 5888, 6026, 6532, 8384, 8464, 9088, 9301, 11776, 12052, 13064, 16768, 16928, 18176, 18602, 23552, 24104, 26128, 33536, 33856, 36352, 37204, 37559, 47104, 48208, 52256, 67072, 67712, 69299, 72704, 74408, 75118, 94208, 96416, 104512, 134144, 135424, 138598, 145408, 148816, 150236, 192832, 209024, 213923, 268288, 270848, 277196, 290816, 297632, 300472, 385664, 418048, 427846, 536576, 541696, 554392, 595264, 600944, 771328, 836096, 855692, 1083392, 1108784, 1190528, 1201888, 1542656, 1672192, 1711384, 2166784, 2217568, 2381056, 2403776, 3085312, 3344384, 3422768, 4435136, 4762112, 4807552, 4920229, 6170624, 6688768, 6845536, 8870272, 9524224, 9615104, 9840458, 12341248, 13691072, 17740544, 19048448, 19230208, 19680916, 27382144, 35481088, 38096896, 38460416, 39361832, 54764288, 70962176, 76920832, 78723664, 109528576, 141924352, 153841664, 157447328, 219057152, 283848704, 314894656, 438114304, 629789312, 876228608, 1259578624, 2519157248, 5038314496, 10076628992, 20153257984]

約数ペア:

[(1, 20153257984), (2, 10076628992), (4, 5038314496), (8, 2519157248), (16, 1259578624), (23, 876228608), (32, 629789312), (46, 438114304), (64, 314894656), (71, 283848704), (92, 219057152), (128, 157447328), (131, 153841664), (142, 141924352), (184, 109528576), (256, 78723664), (262, 76920832), (284, 70962176), (368, 54764288), (512, 39361832), (524, 38460416), (529, 38096896), (568, 35481088), (736, 27382144), (1024, 19680916), (1048, 19230208), (1058, 19048448), (1136, 17740544), (1472, 13691072), (1633, 12341248), (2048, 9840458), (2096, 9615104), (2116, 9524224), (2272, 8870272), (2944, 6845536), (3013, 6688768), (3266, 6170624), (4096, 4920229), (4192, 4807552), (4232, 4762112), (4544, 4435136), (5888, 3422768), (6026, 3344384), (6532, 3085312), (8384, 2403776), (8464, 2381056), (9088, 2217568), (9301, 2166784), (11776, 1711384), (12052, 1672192), (13064, 1542656), (16768, 1201888), (16928, 1190528), (18176, 1108784), (18602, 1083392), (23552, 855692), (24104, 836096), (26128, 771328), (33536, 600944), (33856, 595264), (36352, 554392), (37204, 541696), (37559, 536576), (47104, 427846), (48208, 418048), (52256, 385664), (67072, 300472), (67712, 297632), (69299, 290816), (72704, 277196), (74408, 270848), (75118, 268288), (94208, 213923), (96416, 209024), (104512, 192832), (134144, 150236), (135424, 148816), (138598, 145408)]