20684707840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3833}}^1$

素因数の和:3908

約数の個数: 192

約数和(自身を含む): 54259994880

約数和(自身を除く): 33575287040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 310, 320, 340, 496, 512, 527, 544, 620, 640, 680, 992, 1024, 1054, 1088, 1240, 1280, 1360, 1984, 2048, 2108, 2176, 2480, 2560, 2635, 2720, 3833, 3968, 4216, 4352, 4960, 5120, 5270, 5440, 7666, 7936, 8432, 8704, 9920, 10240, 10540, 10880, 15332, 15872, 16864, 17408, 19165, 19840, 21080, 21760, 30664, 31744, 33728, 34816, 38330, 39680, 42160, 43520, 61328, 63488, 65161, 67456, 76660, 79360, 84320, 87040, 118823, 122656, 130322, 134912, 153320, 158720, 168640, 174080, 237646, 245312, 260644, 269824, 306640, 317440, 325805, 337280, 475292, 490624, 521288, 539648, 594115, 613280, 651610, 674560, 950584, 981248, 1042576, 1079296, 1188230, 1226560, 1303220, 1349120, 1901168, 1962496, 2019991, 2085152, 2376460, 2453120, 2606440, 2698240, 3802336, 3924992, 4039982, 4170304, 4752920, 4906240, 5212880, 5396480, 7604672, 7849984, 8079964, 8340608, 9505840, 9812480, 10099955, 10425760, 15209344, 16159928, 16681216, 19011680, 19624960, 20199910, 20851520, 30418688, 32319856, 33362432, 38023360, 39249920, 40399820, 41703040, 60837376, 64639712, 66724864, 76046720, 80799640, 83406080, 121674752, 129279424, 133449728, 152093440, 161599280, 166812160, 243349504, 258558848, 304186880, 323198560, 333624320, 517117696, 608373760, 646397120, 667248640, 1034235392, 1216747520, 1292794240, 2068470784, 2585588480, 4136941568, 5171176960, 10342353920, 20684707840]

約数ペア:

[(1, 20684707840), (2, 10342353920), (4, 5171176960), (5, 4136941568), (8, 2585588480), (10, 2068470784), (16, 1292794240), (17, 1216747520), (20, 1034235392), (31, 667248640), (32, 646397120), (34, 608373760), (40, 517117696), (62, 333624320), (64, 323198560), (68, 304186880), (80, 258558848), (85, 243349504), (124, 166812160), (128, 161599280), (136, 152093440), (155, 133449728), (160, 129279424), (170, 121674752), (248, 83406080), (256, 80799640), (272, 76046720), (310, 66724864), (320, 64639712), (340, 60837376), (496, 41703040), (512, 40399820), (527, 39249920), (544, 38023360), (620, 33362432), (640, 32319856), (680, 30418688), (992, 20851520), (1024, 20199910), (1054, 19624960), (1088, 19011680), (1240, 16681216), (1280, 16159928), (1360, 15209344), (1984, 10425760), (2048, 10099955), (2108, 9812480), (2176, 9505840), (2480, 8340608), (2560, 8079964), (2635, 7849984), (2720, 7604672), (3833, 5396480), (3968, 5212880), (4216, 4906240), (4352, 4752920), (4960, 4170304), (5120, 4039982), (5270, 3924992), (5440, 3802336), (7666, 2698240), (7936, 2606440), (8432, 2453120), (8704, 2376460), (9920, 2085152), (10240, 2019991), (10540, 1962496), (10880, 1901168), (15332, 1349120), (15872, 1303220), (16864, 1226560), (17408, 1188230), (19165, 1079296), (19840, 1042576), (21080, 981248), (21760, 950584), (30664, 674560), (31744, 651610), (33728, 613280), (34816, 594115), (38330, 539648), (39680, 521288), (42160, 490624), (43520, 475292), (61328, 337280), (63488, 325805), (65161, 317440), (67456, 306640), (76660, 269824), (79360, 260644), (84320, 245312), (87040, 237646), (118823, 174080), (122656, 168640), (130322, 158720), (134912, 153320)]