20115219488

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:1007

約数の個数: 192

約数和(自身を含む): 50526830592

約数和(自身を除く): 30411611104

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 443, 496, 503, 728, 806, 868, 886, 992, 1006, 1456, 1612, 1736, 1772, 2012, 2821, 2912, 3101, 3224, 3472, 3521, 3544, 4024, 5642, 5759, 6202, 6448, 6539, 6944, 7042, 7088, 8048, 11284, 11518, 12404, 12896, 13078, 13733, 14084, 14176, 15593, 16096, 22568, 23036, 24808, 26156, 27466, 28168, 31186, 40313, 45136, 45773, 46072, 49616, 52312, 54932, 56336, 62372, 80626, 90272, 91546, 92144, 96131, 99232, 104624, 109151, 109864, 112672, 124744, 161252, 178529, 183092, 184288, 192262, 202709, 209248, 218302, 219728, 222829, 249488, 322504, 357058, 366184, 384524, 405418, 436604, 439456, 445658, 498976, 645008, 714116, 732368, 769048, 810836, 873208, 891316, 1249703, 1290016, 1418963, 1428232, 1464736, 1538096, 1559803, 1621672, 1746416, 1782632, 2499406, 2837926, 2856464, 2896777, 3076192, 3119606, 3243344, 3492832, 3565264, 4998812, 5675852, 5712928, 5793554, 6239212, 6486688, 6907699, 7130528, 9997624, 11351704, 11587108, 12478424, 13815398, 19995248, 20277439, 22703408, 23174216, 24956848, 27630796, 39990496, 40554878, 45406816, 46348432, 48353893, 49913696, 55261592, 81109756, 89800087, 92696864, 96707786, 110523184, 162219512, 179600174, 193415572, 221046368, 324439024, 359200348, 386831144, 628600609, 648878048, 718400696, 773662288, 1257201218, 1436801392, 1547324576, 2514402436, 2873602784, 5028804872, 10057609744, 20115219488]

約数ペア:

[(1, 20115219488), (2, 10057609744), (4, 5028804872), (7, 2873602784), (8, 2514402436), (13, 1547324576), (14, 1436801392), (16, 1257201218), (26, 773662288), (28, 718400696), (31, 648878048), (32, 628600609), (52, 386831144), (56, 359200348), (62, 324439024), (91, 221046368), (104, 193415572), (112, 179600174), (124, 162219512), (182, 110523184), (208, 96707786), (217, 92696864), (224, 89800087), (248, 81109756), (364, 55261592), (403, 49913696), (416, 48353893), (434, 46348432), (443, 45406816), (496, 40554878), (503, 39990496), (728, 27630796), (806, 24956848), (868, 23174216), (886, 22703408), (992, 20277439), (1006, 19995248), (1456, 13815398), (1612, 12478424), (1736, 11587108), (1772, 11351704), (2012, 9997624), (2821, 7130528), (2912, 6907699), (3101, 6486688), (3224, 6239212), (3472, 5793554), (3521, 5712928), (3544, 5675852), (4024, 4998812), (5642, 3565264), (5759, 3492832), (6202, 3243344), (6448, 3119606), (6539, 3076192), (6944, 2896777), (7042, 2856464), (7088, 2837926), (8048, 2499406), (11284, 1782632), (11518, 1746416), (12404, 1621672), (12896, 1559803), (13078, 1538096), (13733, 1464736), (14084, 1428232), (14176, 1418963), (15593, 1290016), (16096, 1249703), (22568, 891316), (23036, 873208), (24808, 810836), (26156, 769048), (27466, 732368), (28168, 714116), (31186, 645008), (40313, 498976), (45136, 445658), (45773, 439456), (46072, 436604), (49616, 405418), (52312, 384524), (54932, 366184), (56336, 357058), (62372, 322504), (80626, 249488), (90272, 222829), (91546, 219728), (92144, 218302), (96131, 209248), (99232, 202709), (104624, 192262), (109151, 184288), (109864, 183092), (112672, 178529), (124744, 161252)]