20512334520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{27673}}^1$

素因数の和:27790

約数の個数: 192

約数和(自身を含む): 69937732800

約数和(自身を除く): 49425398280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 71, 72, 87, 90, 116, 120, 142, 145, 174, 180, 213, 232, 261, 284, 290, 348, 355, 360, 426, 435, 522, 568, 580, 639, 696, 710, 852, 870, 1044, 1065, 1160, 1278, 1305, 1420, 1704, 1740, 2059, 2088, 2130, 2556, 2610, 2840, 3195, 3480, 4118, 4260, 5112, 5220, 6177, 6390, 8236, 8520, 10295, 10440, 12354, 12780, 16472, 18531, 20590, 24708, 25560, 27673, 30885, 37062, 41180, 49416, 55346, 61770, 74124, 82360, 83019, 92655, 110692, 123540, 138365, 148248, 166038, 185310, 221384, 247080, 249057, 276730, 332076, 370620, 415095, 498114, 553460, 664152, 741240, 802517, 830190, 996228, 1106920, 1245285, 1605034, 1660380, 1964783, 1992456, 2407551, 2490570, 3210068, 3320760, 3929566, 4012585, 4815102, 4981140, 5894349, 6420136, 7222653, 7859132, 8025170, 9630204, 9823915, 9962280, 11788698, 12037755, 14445306, 15718264, 16050340, 17683047, 19260408, 19647830, 23577396, 24075510, 28890612, 29471745, 32100680, 35366094, 36113265, 39295660, 47154792, 48151020, 56978707, 57781224, 58943490, 70732188, 72226530, 78591320, 88415235, 96302040, 113957414, 117886980, 141464376, 144453060, 170936121, 176830470, 227914828, 235773960, 284893535, 288906120, 341872242, 353660940, 455829656, 512808363, 569787070, 683744484, 707321880, 854680605, 1025616726, 1139574140, 1367488968, 1709361210, 2051233452, 2279148280, 2564041815, 3418722420, 4102466904, 5128083630, 6837444840, 10256167260, 20512334520]

約数ペア:

[(1, 20512334520), (2, 10256167260), (3, 6837444840), (4, 5128083630), (5, 4102466904), (6, 3418722420), (8, 2564041815), (9, 2279148280), (10, 2051233452), (12, 1709361210), (15, 1367488968), (18, 1139574140), (20, 1025616726), (24, 854680605), (29, 707321880), (30, 683744484), (36, 569787070), (40, 512808363), (45, 455829656), (58, 353660940), (60, 341872242), (71, 288906120), (72, 284893535), (87, 235773960), (90, 227914828), (116, 176830470), (120, 170936121), (142, 144453060), (145, 141464376), (174, 117886980), (180, 113957414), (213, 96302040), (232, 88415235), (261, 78591320), (284, 72226530), (290, 70732188), (348, 58943490), (355, 57781224), (360, 56978707), (426, 48151020), (435, 47154792), (522, 39295660), (568, 36113265), (580, 35366094), (639, 32100680), (696, 29471745), (710, 28890612), (852, 24075510), (870, 23577396), (1044, 19647830), (1065, 19260408), (1160, 17683047), (1278, 16050340), (1305, 15718264), (1420, 14445306), (1704, 12037755), (1740, 11788698), (2059, 9962280), (2088, 9823915), (2130, 9630204), (2556, 8025170), (2610, 7859132), (2840, 7222653), (3195, 6420136), (3480, 5894349), (4118, 4981140), (4260, 4815102), (5112, 4012585), (5220, 3929566), (6177, 3320760), (6390, 3210068), (8236, 2490570), (8520, 2407551), (10295, 1992456), (10440, 1964783), (12354, 1660380), (12780, 1605034), (16472, 1245285), (18531, 1106920), (20590, 996228), (24708, 830190), (25560, 802517), (27673, 741240), (30885, 664152), (37062, 553460), (41180, 498114), (49416, 415095), (55346, 370620), (61770, 332076), (74124, 276730), (82360, 249057), (83019, 247080), (92655, 221384), (110692, 185310), (123540, 166038), (138365, 148248)]