20452320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2029}}^1$

素因数の和:2057

約数の個数: 144

約数和(自身を含む): 79803360

約数和(自身を除く): 59351040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2029, 2520, 3360, 4058, 5040, 6087, 8116, 10080, 10145, 12174, 14203, 16232, 18261, 20290, 24348, 28406, 30435, 32464, 36522, 40580, 42609, 48696, 56812, 60870, 64928, 71015, 73044, 81160, 85218, 91305, 97392, 113624, 121740, 127827, 142030, 146088, 162320, 170436, 182610, 194784, 213045, 227248, 243480, 255654, 284060, 292176, 324640, 340872, 365220, 426090, 454496, 486960, 511308, 568120, 584352, 639135, 681744, 730440, 852180, 973920, 1022616, 1136240, 1278270, 1363488, 1460880, 1704360, 2045232, 2272480, 2556540, 2921760, 3408720, 4090464, 5113080, 6817440, 10226160, 20452320]

約数ペア:

[(1, 20452320), (2, 10226160), (3, 6817440), (4, 5113080), (5, 4090464), (6, 3408720), (7, 2921760), (8, 2556540), (9, 2272480), (10, 2045232), (12, 1704360), (14, 1460880), (15, 1363488), (16, 1278270), (18, 1136240), (20, 1022616), (21, 973920), (24, 852180), (28, 730440), (30, 681744), (32, 639135), (35, 584352), (36, 568120), (40, 511308), (42, 486960), (45, 454496), (48, 426090), (56, 365220), (60, 340872), (63, 324640), (70, 292176), (72, 284060), (80, 255654), (84, 243480), (90, 227248), (96, 213045), (105, 194784), (112, 182610), (120, 170436), (126, 162320), (140, 146088), (144, 142030), (160, 127827), (168, 121740), (180, 113624), (210, 97392), (224, 91305), (240, 85218), (252, 81160), (280, 73044), (288, 71015), (315, 64928), (336, 60870), (360, 56812), (420, 48696), (480, 42609), (504, 40580), (560, 36522), (630, 32464), (672, 30435), (720, 28406), (840, 24348), (1008, 20290), (1120, 18261), (1260, 16232), (1440, 14203), (1680, 12174), (2016, 10145), (2029, 10080), (2520, 8116), (3360, 6087), (4058, 5040)]