20670272

素因数分解:

$2^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:128

約数の個数: 112

約数和(自身を含む): 50962560

約数和(自身を除く): 30292288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 37, 43, 56, 58, 64, 74, 86, 112, 116, 148, 172, 203, 224, 232, 259, 296, 301, 344, 406, 448, 464, 518, 592, 602, 688, 812, 928, 1036, 1073, 1184, 1204, 1247, 1376, 1591, 1624, 1856, 2072, 2146, 2368, 2408, 2494, 2752, 3182, 3248, 4144, 4292, 4816, 4988, 6364, 6496, 7511, 8288, 8584, 8729, 9632, 9976, 11137, 12728, 12992, 15022, 16576, 17168, 17458, 19264, 19952, 22274, 25456, 30044, 34336, 34916, 39904, 44548, 46139, 50912, 60088, 68672, 69832, 79808, 89096, 92278, 101824, 120176, 139664, 178192, 184556, 240352, 279328, 322973, 356384, 369112, 480704, 558656, 645946, 712768, 738224, 1291892, 1476448, 2583784, 2952896, 5167568, 10335136, 20670272]

約数ペア:

[(1, 20670272), (2, 10335136), (4, 5167568), (7, 2952896), (8, 2583784), (14, 1476448), (16, 1291892), (28, 738224), (29, 712768), (32, 645946), (37, 558656), (43, 480704), (56, 369112), (58, 356384), (64, 322973), (74, 279328), (86, 240352), (112, 184556), (116, 178192), (148, 139664), (172, 120176), (203, 101824), (224, 92278), (232, 89096), (259, 79808), (296, 69832), (301, 68672), (344, 60088), (406, 50912), (448, 46139), (464, 44548), (518, 39904), (592, 34916), (602, 34336), (688, 30044), (812, 25456), (928, 22274), (1036, 19952), (1073, 19264), (1184, 17458), (1204, 17168), (1247, 16576), (1376, 15022), (1591, 12992), (1624, 12728), (1856, 11137), (2072, 9976), (2146, 9632), (2368, 8729), (2408, 8584), (2494, 8288), (2752, 7511), (3182, 6496), (3248, 6364), (4144, 4988), (4292, 4816)]