20219472

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1577

約数の個数: 120

約数和(自身を含む): 69689984

約数和(自身を除く): 49470512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1543, 1638, 1872, 2184, 3086, 3276, 4368, 4629, 6172, 6552, 9258, 10801, 12344, 13104, 13887, 18516, 20059, 21602, 24688, 27774, 32403, 37032, 40118, 43204, 55548, 60177, 64806, 74064, 80236, 86408, 97209, 111096, 120354, 129612, 140413, 160472, 172816, 180531, 194418, 222192, 240708, 259224, 280826, 320944, 361062, 388836, 421239, 481416, 518448, 561652, 722124, 777672, 842478, 962832, 1123304, 1263717, 1444248, 1555344, 1684956, 2246608, 2527434, 2888496, 3369912, 5054868, 6739824, 10109736, 20219472]

約数ペア:

[(1, 20219472), (2, 10109736), (3, 6739824), (4, 5054868), (6, 3369912), (7, 2888496), (8, 2527434), (9, 2246608), (12, 1684956), (13, 1555344), (14, 1444248), (16, 1263717), (18, 1123304), (21, 962832), (24, 842478), (26, 777672), (28, 722124), (36, 561652), (39, 518448), (42, 481416), (48, 421239), (52, 388836), (56, 361062), (63, 320944), (72, 280826), (78, 259224), (84, 240708), (91, 222192), (104, 194418), (112, 180531), (117, 172816), (126, 160472), (144, 140413), (156, 129612), (168, 120354), (182, 111096), (208, 97209), (234, 86408), (252, 80236), (273, 74064), (312, 64806), (336, 60177), (364, 55548), (468, 43204), (504, 40118), (546, 37032), (624, 32403), (728, 27774), (819, 24688), (936, 21602), (1008, 20059), (1092, 18516), (1456, 13887), (1543, 13104), (1638, 12344), (1872, 10801), (2184, 9258), (3086, 6552), (3276, 6172), (4368, 4629)]