20159776

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 53089344

約数和(自身を除く): 32929568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 43, 46, 49, 52, 56, 86, 91, 92, 98, 104, 112, 161, 172, 182, 184, 196, 208, 224, 299, 301, 322, 344, 364, 368, 392, 416, 559, 598, 602, 637, 644, 688, 728, 736, 784, 989, 1118, 1127, 1196, 1204, 1274, 1288, 1376, 1456, 1568, 1978, 2093, 2107, 2236, 2254, 2392, 2408, 2548, 2576, 2912, 3913, 3956, 4186, 4214, 4472, 4508, 4784, 4816, 5096, 5152, 6923, 7826, 7912, 8372, 8428, 8944, 9016, 9568, 9632, 10192, 12857, 13846, 14651, 15652, 15824, 16744, 16856, 17888, 18032, 20384, 25714, 27391, 27692, 29302, 31304, 31648, 33488, 33712, 36064, 48461, 51428, 54782, 55384, 58604, 62608, 66976, 67424, 89999, 96922, 102856, 109564, 110768, 117208, 125216, 179998, 193844, 205712, 219128, 221536, 234416, 359996, 387688, 411424, 438256, 468832, 629993, 719992, 775376, 876512, 1259986, 1439984, 1550752, 2519972, 2879968, 5039944, 10079888, 20159776]

約数ペア:

[(1, 20159776), (2, 10079888), (4, 5039944), (7, 2879968), (8, 2519972), (13, 1550752), (14, 1439984), (16, 1259986), (23, 876512), (26, 775376), (28, 719992), (32, 629993), (43, 468832), (46, 438256), (49, 411424), (52, 387688), (56, 359996), (86, 234416), (91, 221536), (92, 219128), (98, 205712), (104, 193844), (112, 179998), (161, 125216), (172, 117208), (182, 110768), (184, 109564), (196, 102856), (208, 96922), (224, 89999), (299, 67424), (301, 66976), (322, 62608), (344, 58604), (364, 55384), (368, 54782), (392, 51428), (416, 48461), (559, 36064), (598, 33712), (602, 33488), (637, 31648), (644, 31304), (688, 29302), (728, 27692), (736, 27391), (784, 25714), (989, 20384), (1118, 18032), (1127, 17888), (1196, 16856), (1204, 16744), (1274, 15824), (1288, 15652), (1376, 14651), (1456, 13846), (1568, 12857), (1978, 10192), (2093, 9632), (2107, 9568), (2236, 9016), (2254, 8944), (2392, 8428), (2408, 8372), (2548, 7912), (2576, 7826), (2912, 6923), (3913, 5152), (3956, 5096), (4186, 4816), (4214, 4784), (4472, 4508)]