20728224

素因数分解:

$2^5\times 3^4\times {\mathrm{11}}^1\times {\mathrm{727}}^1$

素因数の和:760

約数の個数: 120

約数和(自身を含む): 66594528

約数和(自身を除く): 45866304

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 198, 216, 264, 288, 297, 324, 352, 396, 432, 528, 594, 648, 727, 792, 864, 891, 1056, 1188, 1296, 1454, 1584, 1782, 2181, 2376, 2592, 2908, 3168, 3564, 4362, 4752, 5816, 6543, 7128, 7997, 8724, 9504, 11632, 13086, 14256, 15994, 17448, 19629, 23264, 23991, 26172, 28512, 31988, 34896, 39258, 47982, 52344, 58887, 63976, 69792, 71973, 78516, 95964, 104688, 117774, 127952, 143946, 157032, 191928, 209376, 215919, 235548, 255904, 287892, 314064, 383856, 431838, 471096, 575784, 628128, 647757, 767712, 863676, 942192, 1151568, 1295514, 1727352, 1884384, 2303136, 2591028, 3454704, 5182056, 6909408, 10364112, 20728224]

約数ペア:

[(1, 20728224), (2, 10364112), (3, 6909408), (4, 5182056), (6, 3454704), (8, 2591028), (9, 2303136), (11, 1884384), (12, 1727352), (16, 1295514), (18, 1151568), (22, 942192), (24, 863676), (27, 767712), (32, 647757), (33, 628128), (36, 575784), (44, 471096), (48, 431838), (54, 383856), (66, 314064), (72, 287892), (81, 255904), (88, 235548), (96, 215919), (99, 209376), (108, 191928), (132, 157032), (144, 143946), (162, 127952), (176, 117774), (198, 104688), (216, 95964), (264, 78516), (288, 71973), (297, 69792), (324, 63976), (352, 58887), (396, 52344), (432, 47982), (528, 39258), (594, 34896), (648, 31988), (727, 28512), (792, 26172), (864, 23991), (891, 23264), (1056, 19629), (1188, 17448), (1296, 15994), (1454, 14256), (1584, 13086), (1782, 11632), (2181, 9504), (2376, 8724), (2592, 7997), (2908, 7128), (3168, 6543), (3564, 5816), (4362, 4752)]