20403721920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{811}}^1$

素因数の和:1263

約数の個数: 224

約数和(自身を含む): 65933360640

約数和(自身を除く): 45529638720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 146, 160, 192, 219, 240, 292, 320, 359, 365, 438, 480, 584, 718, 730, 811, 876, 960, 1077, 1095, 1168, 1436, 1460, 1622, 1752, 1795, 2154, 2190, 2336, 2433, 2872, 2920, 3244, 3504, 3590, 4055, 4308, 4380, 4672, 4866, 5385, 5744, 5840, 6488, 7008, 7180, 8110, 8616, 8760, 9732, 10770, 11488, 11680, 12165, 12976, 14016, 14360, 16220, 17232, 17520, 19464, 21540, 22976, 23360, 24330, 25952, 26207, 28720, 32440, 34464, 35040, 38928, 43080, 48660, 51904, 52414, 57440, 59203, 64880, 68928, 70080, 77856, 78621, 86160, 97320, 104828, 114880, 118406, 129760, 131035, 155712, 157242, 172320, 177609, 194640, 209656, 236812, 259520, 262070, 291149, 296015, 314484, 344640, 355218, 389280, 393105, 419312, 473624, 524140, 582298, 592030, 628968, 710436, 778560, 786210, 838624, 873447, 888045, 947248, 1048280, 1164596, 1184060, 1257936, 1420872, 1455745, 1572420, 1677248, 1746894, 1776090, 1894496, 2096560, 2329192, 2368120, 2515872, 2841744, 2911490, 3144840, 3493788, 3552180, 3788992, 4193120, 4367235, 4658384, 4736240, 5031744, 5683488, 5822980, 6289680, 6987576, 7104360, 8386240, 8734470, 9316768, 9472480, 11366976, 11645960, 12579360, 13975152, 14208720, 17468940, 18633536, 18944960, 21253877, 23291920, 25158720, 27950304, 28417440, 34937880, 42507754, 46583840, 55900608, 56834880, 63761631, 69875760, 85015508, 93167680, 106269385, 127523262, 139751520, 170031016, 212538770, 255046524, 279503040, 318808155, 340062032, 425077540, 510093048, 637616310, 680124064, 850155080, 1020186096, 1275232620, 1360248128, 1700310160, 2040372192, 2550465240, 3400620320, 4080744384, 5100930480, 6801240640, 10201860960, 20403721920]

約数ペア:

[(1, 20403721920), (2, 10201860960), (3, 6801240640), (4, 5100930480), (5, 4080744384), (6, 3400620320), (8, 2550465240), (10, 2040372192), (12, 1700310160), (15, 1360248128), (16, 1275232620), (20, 1020186096), (24, 850155080), (30, 680124064), (32, 637616310), (40, 510093048), (48, 425077540), (60, 340062032), (64, 318808155), (73, 279503040), (80, 255046524), (96, 212538770), (120, 170031016), (146, 139751520), (160, 127523262), (192, 106269385), (219, 93167680), (240, 85015508), (292, 69875760), (320, 63761631), (359, 56834880), (365, 55900608), (438, 46583840), (480, 42507754), (584, 34937880), (718, 28417440), (730, 27950304), (811, 25158720), (876, 23291920), (960, 21253877), (1077, 18944960), (1095, 18633536), (1168, 17468940), (1436, 14208720), (1460, 13975152), (1622, 12579360), (1752, 11645960), (1795, 11366976), (2154, 9472480), (2190, 9316768), (2336, 8734470), (2433, 8386240), (2872, 7104360), (2920, 6987576), (3244, 6289680), (3504, 5822980), (3590, 5683488), (4055, 5031744), (4308, 4736240), (4380, 4658384), (4672, 4367235), (4866, 4193120), (5385, 3788992), (5744, 3552180), (5840, 3493788), (6488, 3144840), (7008, 2911490), (7180, 2841744), (8110, 2515872), (8616, 2368120), (8760, 2329192), (9732, 2096560), (10770, 1894496), (11488, 1776090), (11680, 1746894), (12165, 1677248), (12976, 1572420), (14016, 1455745), (14360, 1420872), (16220, 1257936), (17232, 1184060), (17520, 1164596), (19464, 1048280), (21540, 947248), (22976, 888045), (23360, 873447), (24330, 838624), (25952, 786210), (26207, 778560), (28720, 710436), (32440, 628968), (34464, 592030), (35040, 582298), (38928, 524140), (43080, 473624), (48660, 419312), (51904, 393105), (52414, 389280), (57440, 355218), (59203, 344640), (64880, 314484), (68928, 296015), (70080, 291149), (77856, 262070), (78621, 259520), (86160, 236812), (97320, 209656), (104828, 194640), (114880, 177609), (118406, 172320), (129760, 157242), (131035, 155712)]