20177820208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{829}}^1$

素因数の和:1159

約数の個数: 160

約数和(自身を含む): 49047555200

約数和(自身を除く): 28869734992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 73, 91, 104, 112, 146, 182, 208, 229, 292, 364, 458, 511, 584, 728, 829, 916, 949, 1022, 1168, 1456, 1603, 1658, 1832, 1898, 2044, 2977, 3206, 3316, 3664, 3796, 4088, 5803, 5954, 6412, 6632, 6643, 7592, 8176, 10777, 11606, 11908, 12824, 13264, 13286, 15184, 16717, 20839, 21554, 23212, 23816, 25648, 26572, 33434, 41678, 43108, 46424, 47632, 53144, 60517, 66868, 75439, 83356, 86216, 92848, 106288, 117019, 121034, 133736, 150878, 166712, 172432, 189841, 217321, 234038, 242068, 267472, 301756, 333424, 379682, 423619, 434642, 468076, 484136, 603512, 759364, 786721, 847238, 869284, 936152, 968272, 1207024, 1328887, 1518728, 1521247, 1573442, 1694476, 1738568, 1872304, 2467933, 2657774, 3037456, 3042494, 3146884, 3388952, 3477136, 4935866, 5315548, 5507047, 6084988, 6293768, 6777904, 9871732, 10631096, 11014094, 12169976, 12587536, 13858393, 17275531, 19743464, 21262192, 22028188, 24339952, 27716786, 34551062, 39486928, 44056376, 55433572, 69102124, 88112752, 97008751, 110867144, 138204248, 180159109, 194017502, 221734288, 276408496, 360318218, 388035004, 720636436, 776070008, 1261113763, 1441272872, 1552140016, 2522227526, 2882545744, 5044455052, 10088910104, 20177820208]

約数ペア:

[(1, 20177820208), (2, 10088910104), (4, 5044455052), (7, 2882545744), (8, 2522227526), (13, 1552140016), (14, 1441272872), (16, 1261113763), (26, 776070008), (28, 720636436), (52, 388035004), (56, 360318218), (73, 276408496), (91, 221734288), (104, 194017502), (112, 180159109), (146, 138204248), (182, 110867144), (208, 97008751), (229, 88112752), (292, 69102124), (364, 55433572), (458, 44056376), (511, 39486928), (584, 34551062), (728, 27716786), (829, 24339952), (916, 22028188), (949, 21262192), (1022, 19743464), (1168, 17275531), (1456, 13858393), (1603, 12587536), (1658, 12169976), (1832, 11014094), (1898, 10631096), (2044, 9871732), (2977, 6777904), (3206, 6293768), (3316, 6084988), (3664, 5507047), (3796, 5315548), (4088, 4935866), (5803, 3477136), (5954, 3388952), (6412, 3146884), (6632, 3042494), (6643, 3037456), (7592, 2657774), (8176, 2467933), (10777, 1872304), (11606, 1738568), (11908, 1694476), (12824, 1573442), (13264, 1521247), (13286, 1518728), (15184, 1328887), (16717, 1207024), (20839, 968272), (21554, 936152), (23212, 869284), (23816, 847238), (25648, 786721), (26572, 759364), (33434, 603512), (41678, 484136), (43108, 468076), (46424, 434642), (47632, 423619), (53144, 379682), (60517, 333424), (66868, 301756), (75439, 267472), (83356, 242068), (86216, 234038), (92848, 217321), (106288, 189841), (117019, 172432), (121034, 166712), (133736, 150878)]