20447856

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 160

約数和(自身を含む): 69162240

約数和(自身を除く): 48714384

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 33, 36, 39, 44, 48, 52, 54, 66, 72, 78, 88, 99, 104, 108, 117, 132, 143, 144, 156, 176, 198, 208, 216, 234, 264, 286, 297, 312, 331, 351, 396, 429, 432, 468, 528, 572, 594, 624, 662, 702, 792, 858, 936, 993, 1144, 1188, 1287, 1324, 1404, 1584, 1716, 1872, 1986, 2288, 2376, 2574, 2648, 2808, 2979, 3432, 3641, 3861, 3972, 4303, 4752, 5148, 5296, 5616, 5958, 6864, 7282, 7722, 7944, 8606, 8937, 10296, 10923, 11916, 12909, 14564, 15444, 15888, 17212, 17874, 20592, 21846, 23832, 25818, 29128, 30888, 32769, 34424, 35748, 38727, 43692, 47333, 47664, 51636, 58256, 61776, 65538, 68848, 71496, 77454, 87384, 94666, 98307, 103272, 116181, 131076, 141999, 142992, 154908, 174768, 189332, 196614, 206544, 232362, 262152, 283998, 309816, 378664, 393228, 425997, 464724, 524304, 567996, 619632, 757328, 786456, 851994, 929448, 1135992, 1277991, 1572912, 1703988, 1858896, 2271984, 2555982, 3407976, 5111964, 6815952, 10223928, 20447856]

約数ペア:

[(1, 20447856), (2, 10223928), (3, 6815952), (4, 5111964), (6, 3407976), (8, 2555982), (9, 2271984), (11, 1858896), (12, 1703988), (13, 1572912), (16, 1277991), (18, 1135992), (22, 929448), (24, 851994), (26, 786456), (27, 757328), (33, 619632), (36, 567996), (39, 524304), (44, 464724), (48, 425997), (52, 393228), (54, 378664), (66, 309816), (72, 283998), (78, 262152), (88, 232362), (99, 206544), (104, 196614), (108, 189332), (117, 174768), (132, 154908), (143, 142992), (144, 141999), (156, 131076), (176, 116181), (198, 103272), (208, 98307), (216, 94666), (234, 87384), (264, 77454), (286, 71496), (297, 68848), (312, 65538), (331, 61776), (351, 58256), (396, 51636), (429, 47664), (432, 47333), (468, 43692), (528, 38727), (572, 35748), (594, 34424), (624, 32769), (662, 30888), (702, 29128), (792, 25818), (858, 23832), (936, 21846), (993, 20592), (1144, 17874), (1188, 17212), (1287, 15888), (1324, 15444), (1404, 14564), (1584, 12909), (1716, 11916), (1872, 10923), (1986, 10296), (2288, 8937), (2376, 8606), (2574, 7944), (2648, 7722), (2808, 7282), (2979, 6864), (3432, 5958), (3641, 5616), (3861, 5296), (3972, 5148), (4303, 4752)]