20117664

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1$

素因数の和:627

約数の個数: 144

約数和(自身を含む): 69346368

約数和(自身を除く): 49228704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 204, 224, 238, 252, 272, 288, 306, 336, 357, 408, 476, 504, 544, 587, 612, 672, 714, 816, 952, 1008, 1071, 1174, 1224, 1428, 1632, 1761, 1904, 2016, 2142, 2348, 2448, 2856, 3522, 3808, 4109, 4284, 4696, 4896, 5283, 5712, 7044, 8218, 8568, 9392, 9979, 10566, 11424, 12327, 14088, 16436, 17136, 18784, 19958, 21132, 24654, 28176, 29937, 32872, 34272, 36981, 39916, 42264, 49308, 56352, 59874, 65744, 69853, 73962, 79832, 84528, 89811, 98616, 119748, 131488, 139706, 147924, 159664, 169056, 179622, 197232, 209559, 239496, 279412, 295848, 319328, 359244, 394464, 419118, 478992, 558824, 591696, 628677, 718488, 838236, 957984, 1117648, 1183392, 1257354, 1436976, 1676472, 2235296, 2514708, 2873952, 3352944, 5029416, 6705888, 10058832, 20117664]

約数ペア:

[(1, 20117664), (2, 10058832), (3, 6705888), (4, 5029416), (6, 3352944), (7, 2873952), (8, 2514708), (9, 2235296), (12, 1676472), (14, 1436976), (16, 1257354), (17, 1183392), (18, 1117648), (21, 957984), (24, 838236), (28, 718488), (32, 628677), (34, 591696), (36, 558824), (42, 478992), (48, 419118), (51, 394464), (56, 359244), (63, 319328), (68, 295848), (72, 279412), (84, 239496), (96, 209559), (102, 197232), (112, 179622), (119, 169056), (126, 159664), (136, 147924), (144, 139706), (153, 131488), (168, 119748), (204, 98616), (224, 89811), (238, 84528), (252, 79832), (272, 73962), (288, 69853), (306, 65744), (336, 59874), (357, 56352), (408, 49308), (476, 42264), (504, 39916), (544, 36981), (587, 34272), (612, 32872), (672, 29937), (714, 28176), (816, 24654), (952, 21132), (1008, 19958), (1071, 18784), (1174, 17136), (1224, 16436), (1428, 14088), (1632, 12327), (1761, 11424), (1904, 10566), (2016, 9979), (2142, 9392), (2348, 8568), (2448, 8218), (2856, 7044), (3522, 5712), (3808, 5283), (4109, 4896), (4284, 4696)]