20381504

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 112

約数和(自身を含む): 50694336

約数和(自身を除く): 30312832

約数列:

[1, 2, 4, 8, 11, 13, 16, 17, 22, 26, 32, 34, 44, 52, 64, 68, 88, 104, 131, 136, 143, 176, 187, 208, 221, 262, 272, 286, 352, 374, 416, 442, 524, 544, 572, 704, 748, 832, 884, 1048, 1088, 1144, 1441, 1496, 1703, 1768, 2096, 2227, 2288, 2431, 2882, 2992, 3406, 3536, 4192, 4454, 4576, 4862, 5764, 5984, 6812, 7072, 8384, 8908, 9152, 9724, 11528, 11968, 13624, 14144, 17816, 18733, 19448, 23056, 24497, 27248, 28951, 35632, 37466, 38896, 46112, 48994, 54496, 57902, 71264, 74932, 77792, 92224, 97988, 108992, 115804, 142528, 149864, 155584, 195976, 231608, 299728, 318461, 391952, 463216, 599456, 636922, 783904, 926432, 1198912, 1273844, 1567808, 1852864, 2547688, 5095376, 10190752, 20381504]

約数ペア:

[(1, 20381504), (2, 10190752), (4, 5095376), (8, 2547688), (11, 1852864), (13, 1567808), (16, 1273844), (17, 1198912), (22, 926432), (26, 783904), (32, 636922), (34, 599456), (44, 463216), (52, 391952), (64, 318461), (68, 299728), (88, 231608), (104, 195976), (131, 155584), (136, 149864), (143, 142528), (176, 115804), (187, 108992), (208, 97988), (221, 92224), (262, 77792), (272, 74932), (286, 71264), (352, 57902), (374, 54496), (416, 48994), (442, 46112), (524, 38896), (544, 37466), (572, 35632), (704, 28951), (748, 27248), (832, 24497), (884, 23056), (1048, 19448), (1088, 18733), (1144, 17816), (1441, 14144), (1496, 13624), (1703, 11968), (1768, 11528), (2096, 9724), (2227, 9152), (2288, 8908), (2431, 8384), (2882, 7072), (2992, 6812), (3406, 5984), (3536, 5764), (4192, 4862), (4454, 4576)]