20456579584

素因数分解:

$2^9\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:999

約数の個数: 240

約数和(自身を含む): 50828532480

約数和(自身を除く): 30371952896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 32, 49, 56, 58, 62, 64, 98, 112, 116, 124, 128, 196, 203, 217, 224, 232, 248, 256, 392, 406, 434, 448, 464, 496, 512, 784, 812, 868, 896, 899, 907, 928, 992, 1421, 1519, 1568, 1624, 1736, 1792, 1798, 1814, 1856, 1984, 2842, 3038, 3136, 3248, 3472, 3584, 3596, 3628, 3712, 3968, 5684, 6076, 6272, 6293, 6349, 6496, 6944, 7192, 7256, 7424, 7936, 11368, 12152, 12544, 12586, 12698, 12992, 13888, 14384, 14512, 14848, 15872, 22736, 24304, 25088, 25172, 25396, 25984, 26303, 27776, 28117, 28768, 29024, 44051, 44443, 45472, 48608, 50344, 50792, 51968, 52606, 55552, 56234, 57536, 58048, 88102, 88886, 90944, 97216, 100688, 101584, 103936, 105212, 111104, 112468, 115072, 116096, 176204, 177772, 181888, 184121, 194432, 196819, 201376, 203168, 210424, 224936, 230144, 232192, 352408, 355544, 363776, 368242, 388864, 393638, 402752, 406336, 420848, 449872, 460288, 464384, 704816, 711088, 727552, 736484, 777728, 787276, 805504, 812672, 815393, 841696, 899744, 1288847, 1377733, 1409632, 1422176, 1472968, 1574552, 1611008, 1625344, 1630786, 1683392, 1799488, 2577694, 2755466, 2819264, 2844352, 2945936, 3149104, 3222016, 3250688, 3261572, 3366784, 3598976, 5155388, 5510932, 5638528, 5688704, 5707751, 5891872, 6298208, 6523144, 6733568, 7197952, 10310776, 11021864, 11277056, 11377408, 11415502, 11783744, 12596416, 13046288, 13467136, 14395904, 20621552, 22043728, 22554112, 22754816, 22831004, 23567488, 25192832, 26092576, 39954257, 41243104, 44087456, 45662008, 47134976, 50385664, 52185152, 79908514, 82486208, 88174912, 91324016, 94269952, 100771328, 104370304, 159817028, 164972416, 176349824, 182648032, 208740608, 319634056, 329944832, 352699648, 365296064, 417481216, 639268112, 659889664, 705399296, 730592128, 1278536224, 1461184256, 2557072448, 2922368512, 5114144896, 10228289792, 20456579584]

約数ペア:

[(1, 20456579584), (2, 10228289792), (4, 5114144896), (7, 2922368512), (8, 2557072448), (14, 1461184256), (16, 1278536224), (28, 730592128), (29, 705399296), (31, 659889664), (32, 639268112), (49, 417481216), (56, 365296064), (58, 352699648), (62, 329944832), (64, 319634056), (98, 208740608), (112, 182648032), (116, 176349824), (124, 164972416), (128, 159817028), (196, 104370304), (203, 100771328), (217, 94269952), (224, 91324016), (232, 88174912), (248, 82486208), (256, 79908514), (392, 52185152), (406, 50385664), (434, 47134976), (448, 45662008), (464, 44087456), (496, 41243104), (512, 39954257), (784, 26092576), (812, 25192832), (868, 23567488), (896, 22831004), (899, 22754816), (907, 22554112), (928, 22043728), (992, 20621552), (1421, 14395904), (1519, 13467136), (1568, 13046288), (1624, 12596416), (1736, 11783744), (1792, 11415502), (1798, 11377408), (1814, 11277056), (1856, 11021864), (1984, 10310776), (2842, 7197952), (3038, 6733568), (3136, 6523144), (3248, 6298208), (3472, 5891872), (3584, 5707751), (3596, 5688704), (3628, 5638528), (3712, 5510932), (3968, 5155388), (5684, 3598976), (6076, 3366784), (6272, 3261572), (6293, 3250688), (6349, 3222016), (6496, 3149104), (6944, 2945936), (7192, 2844352), (7256, 2819264), (7424, 2755466), (7936, 2577694), (11368, 1799488), (12152, 1683392), (12544, 1630786), (12586, 1625344), (12698, 1611008), (12992, 1574552), (13888, 1472968), (14384, 1422176), (14512, 1409632), (14848, 1377733), (15872, 1288847), (22736, 899744), (24304, 841696), (25088, 815393), (25172, 812672), (25396, 805504), (25984, 787276), (26303, 777728), (27776, 736484), (28117, 727552), (28768, 711088), (29024, 704816), (44051, 464384), (44443, 460288), (45472, 449872), (48608, 420848), (50344, 406336), (50792, 402752), (51968, 393638), (52606, 388864), (55552, 368242), (56234, 363776), (57536, 355544), (58048, 352408), (88102, 232192), (88886, 230144), (90944, 224936), (97216, 210424), (100688, 203168), (101584, 201376), (103936, 196819), (105212, 194432), (111104, 184121), (112468, 181888), (115072, 177772), (116096, 176204)]