20253744

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:375

約数の個数: 120

約数和(自身を含む): 65924352

約数和(自身を除く): 45670608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 71, 72, 84, 112, 126, 142, 144, 168, 213, 252, 283, 284, 336, 426, 497, 504, 566, 568, 639, 849, 852, 994, 1008, 1132, 1136, 1278, 1491, 1698, 1704, 1981, 1988, 2264, 2547, 2556, 2982, 3396, 3408, 3962, 3976, 4473, 4528, 5094, 5112, 5943, 5964, 6792, 7924, 7952, 8946, 10188, 10224, 11886, 11928, 13584, 15848, 17829, 17892, 20093, 20376, 23772, 23856, 31696, 35658, 35784, 40186, 40752, 47544, 60279, 71316, 71568, 80372, 95088, 120558, 140651, 142632, 160744, 180837, 241116, 281302, 285264, 321488, 361674, 421953, 482232, 562604, 723348, 843906, 964464, 1125208, 1265859, 1446696, 1687812, 2250416, 2531718, 2893392, 3375624, 5063436, 6751248, 10126872, 20253744]

約数ペア:

[(1, 20253744), (2, 10126872), (3, 6751248), (4, 5063436), (6, 3375624), (7, 2893392), (8, 2531718), (9, 2250416), (12, 1687812), (14, 1446696), (16, 1265859), (18, 1125208), (21, 964464), (24, 843906), (28, 723348), (36, 562604), (42, 482232), (48, 421953), (56, 361674), (63, 321488), (71, 285264), (72, 281302), (84, 241116), (112, 180837), (126, 160744), (142, 142632), (144, 140651), (168, 120558), (213, 95088), (252, 80372), (283, 71568), (284, 71316), (336, 60279), (426, 47544), (497, 40752), (504, 40186), (566, 35784), (568, 35658), (639, 31696), (849, 23856), (852, 23772), (994, 20376), (1008, 20093), (1132, 17892), (1136, 17829), (1278, 15848), (1491, 13584), (1698, 11928), (1704, 11886), (1981, 10224), (1988, 10188), (2264, 8946), (2547, 7952), (2556, 7924), (2982, 6792), (3396, 5964), (3408, 5943), (3962, 5112), (3976, 5094), (4473, 4528)]