20597472

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:641

約数の個数: 144

約数和(自身を含む): 70997472

約数和(自身を除く): 50400000

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, 601, 612, 672, 714, 816, 952, 1008, 1071, 1202, 1224, 1428, 1632, 1803, 1904, 2016, 2142, 2404, 2448, 2856, 3606, 3808, 4207, 4284, 4808, 4896, 5409, 5712, 7212, 8414, 8568, 9616, 10217, 10818, 11424, 12621, 14424, 16828, 17136, 19232, 20434, 21636, 25242, 28848, 30651, 33656, 34272, 37863, 40868, 43272, 50484, 57696, 61302, 67312, 71519, 75726, 81736, 86544, 91953, 100968, 122604, 134624, 143038, 151452, 163472, 173088, 183906, 201936, 214557, 245208, 286076, 302904, 326944, 367812, 403872, 429114, 490416, 572152, 605808, 643671, 735624, 858228, 980832, 1144304, 1211616, 1287342, 1471248, 1716456, 2288608, 2574684, 2942496, 3432912, 5149368, 6865824, 10298736, 20597472]

約数ペア:

[(1, 20597472), (2, 10298736), (3, 6865824), (4, 5149368), (6, 3432912), (7, 2942496), (8, 2574684), (9, 2288608), (12, 1716456), (14, 1471248), (16, 1287342), (17, 1211616), (18, 1144304), (21, 980832), (24, 858228), (28, 735624), (32, 643671), (34, 605808), (36, 572152), (42, 490416), (48, 429114), (51, 403872), (56, 367812), (63, 326944), (68, 302904), (72, 286076), (84, 245208), (96, 214557), (102, 201936), (112, 183906), (119, 173088), (126, 163472), (136, 151452), (144, 143038), (153, 134624), (168, 122604), (204, 100968), (224, 91953), (238, 86544), (252, 81736), (272, 75726), (288, 71519), (306, 67312), (336, 61302), (357, 57696), (408, 50484), (476, 43272), (504, 40868), (544, 37863), (601, 34272), (612, 33656), (672, 30651), (714, 28848), (816, 25242), (952, 21636), (1008, 20434), (1071, 19232), (1202, 17136), (1224, 16828), (1428, 14424), (1632, 12621), (1803, 11424), (1904, 10818), (2016, 10217), (2142, 9616), (2404, 8568), (2448, 8414), (2856, 7212), (3606, 5712), (3808, 5409), (4207, 4896), (4284, 4808)]