20904392016

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{701}}^1$

素因数の和:974

約数の個数: 240

約数和(自身を含む): 62567490960

約数和(自身を除く): 41663098944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 37, 48, 58, 72, 74, 87, 111, 116, 144, 148, 174, 193, 222, 232, 261, 296, 333, 348, 386, 444, 464, 522, 579, 592, 666, 696, 701, 772, 888, 1044, 1073, 1158, 1332, 1392, 1402, 1544, 1737, 1776, 2088, 2103, 2146, 2316, 2664, 2804, 3088, 3219, 3474, 4176, 4206, 4292, 4632, 5328, 5597, 5608, 6309, 6438, 6948, 7141, 8412, 8584, 9264, 9657, 11194, 11216, 12618, 12876, 13896, 14282, 16791, 16824, 17168, 19314, 20329, 21423, 22388, 25236, 25752, 25937, 27792, 28564, 33582, 33648, 38628, 40658, 42846, 44776, 50373, 50472, 51504, 51874, 57128, 60987, 64269, 67164, 77256, 77811, 81316, 85692, 89552, 100746, 100944, 103748, 114256, 121974, 128538, 134328, 135293, 154512, 155622, 162632, 171384, 182961, 201492, 207089, 207496, 233433, 243948, 257076, 268656, 270586, 311244, 325264, 342768, 365922, 402984, 405879, 414178, 414992, 466866, 487896, 514152, 541172, 621267, 622488, 731844, 752173, 805968, 811758, 828356, 933732, 975792, 1028304, 1082344, 1217637, 1242534, 1244976, 1463688, 1504346, 1623516, 1656712, 1863801, 1867464, 2164688, 2256519, 2435274, 2485068, 2927376, 3008692, 3247032, 3313424, 3727602, 3734928, 3923497, 4513038, 4870548, 4970136, 5005841, 6017384, 6494064, 6769557, 7455204, 7846994, 9026076, 9741096, 9940272, 10011682, 11770491, 12034768, 13539114, 14910408, 15017523, 15693988, 18052152, 19482192, 20023364, 23540982, 27078228, 29820816, 30035046, 31387976, 35311473, 36104304, 40046728, 45052569, 47081964, 54156456, 60070092, 62775952, 70622946, 80093456, 90105138, 94163928, 108312912, 120140184, 141245892, 145169389, 180210276, 188327856, 240280368, 282491784, 290338778, 360420552, 435508167, 564983568, 580677556, 720841104, 871016334, 1161355112, 1306524501, 1742032668, 2322710224, 2613049002, 3484065336, 5226098004, 6968130672, 10452196008, 20904392016]

約数ペア:

[(1, 20904392016), (2, 10452196008), (3, 6968130672), (4, 5226098004), (6, 3484065336), (8, 2613049002), (9, 2322710224), (12, 1742032668), (16, 1306524501), (18, 1161355112), (24, 871016334), (29, 720841104), (36, 580677556), (37, 564983568), (48, 435508167), (58, 360420552), (72, 290338778), (74, 282491784), (87, 240280368), (111, 188327856), (116, 180210276), (144, 145169389), (148, 141245892), (174, 120140184), (193, 108312912), (222, 94163928), (232, 90105138), (261, 80093456), (296, 70622946), (333, 62775952), (348, 60070092), (386, 54156456), (444, 47081964), (464, 45052569), (522, 40046728), (579, 36104304), (592, 35311473), (666, 31387976), (696, 30035046), (701, 29820816), (772, 27078228), (888, 23540982), (1044, 20023364), (1073, 19482192), (1158, 18052152), (1332, 15693988), (1392, 15017523), (1402, 14910408), (1544, 13539114), (1737, 12034768), (1776, 11770491), (2088, 10011682), (2103, 9940272), (2146, 9741096), (2316, 9026076), (2664, 7846994), (2804, 7455204), (3088, 6769557), (3219, 6494064), (3474, 6017384), (4176, 5005841), (4206, 4970136), (4292, 4870548), (4632, 4513038), (5328, 3923497), (5597, 3734928), (5608, 3727602), (6309, 3313424), (6438, 3247032), (6948, 3008692), (7141, 2927376), (8412, 2485068), (8584, 2435274), (9264, 2256519), (9657, 2164688), (11194, 1867464), (11216, 1863801), (12618, 1656712), (12876, 1623516), (13896, 1504346), (14282, 1463688), (16791, 1244976), (16824, 1242534), (17168, 1217637), (19314, 1082344), (20329, 1028304), (21423, 975792), (22388, 933732), (25236, 828356), (25752, 811758), (25937, 805968), (27792, 752173), (28564, 731844), (33582, 622488), (33648, 621267), (38628, 541172), (40658, 514152), (42846, 487896), (44776, 466866), (50373, 414992), (50472, 414178), (51504, 405879), (51874, 402984), (57128, 365922), (60987, 342768), (64269, 325264), (67164, 311244), (77256, 270586), (77811, 268656), (81316, 257076), (85692, 243948), (89552, 233433), (100746, 207496), (100944, 207089), (103748, 201492), (114256, 182961), (121974, 171384), (128538, 162632), (134328, 155622), (135293, 154512)]