20174739728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{21559}}^1$

素因数の和:22000

約数の個数: 80

約数和(自身を含む): 46036636800

約数和(自身を除く): 25861897072

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 409, 572, 818, 1144, 1636, 2288, 3272, 4499, 5317, 6544, 8998, 10634, 17996, 21268, 21559, 35992, 42536, 43118, 58487, 71984, 85072, 86236, 116974, 172472, 233948, 237149, 280267, 344944, 467896, 474298, 560534, 935792, 948596, 1121068, 1897192, 2242136, 3082937, 3794384, 4484272, 6165874, 8817631, 12331748, 17635262, 24663496, 35270524, 49326992, 70541048, 96993941, 114629203, 141082096, 193987882, 229258406, 387975764, 458516812, 775951528, 917033624, 1260921233, 1551903056, 1834067248, 2521842466, 5043684932, 10087369864, 20174739728]

約数ペア:

[(1, 20174739728), (2, 10087369864), (4, 5043684932), (8, 2521842466), (11, 1834067248), (13, 1551903056), (16, 1260921233), (22, 917033624), (26, 775951528), (44, 458516812), (52, 387975764), (88, 229258406), (104, 193987882), (143, 141082096), (176, 114629203), (208, 96993941), (286, 70541048), (409, 49326992), (572, 35270524), (818, 24663496), (1144, 17635262), (1636, 12331748), (2288, 8817631), (3272, 6165874), (4499, 4484272), (5317, 3794384), (6544, 3082937), (8998, 2242136), (10634, 1897192), (17996, 1121068), (21268, 948596), (21559, 935792), (35992, 560534), (42536, 474298), (43118, 467896), (58487, 344944), (71984, 280267), (85072, 237149), (86236, 233948), (116974, 172472)]