20552530768

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{187441}}^1$

素因数の和:187556

約数の個数: 80

約数和(自身を含む): 50204465280

約数和(自身を除く): 29651934512

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 89, 112, 154, 176, 178, 308, 356, 616, 623, 712, 979, 1232, 1246, 1424, 1958, 2492, 3916, 4984, 6853, 7832, 9968, 13706, 15664, 27412, 54824, 109648, 187441, 374882, 749764, 1312087, 1499528, 2061851, 2624174, 2999056, 4123702, 5248348, 8247404, 10496696, 14432957, 16494808, 16682249, 20993392, 28865914, 32989616, 33364498, 57731828, 66728996, 115463656, 116775743, 133457992, 183504739, 230927312, 233551486, 266915984, 367009478, 467102972, 734018956, 934205944, 1284533173, 1468037912, 1868411888, 2569066346, 2936075824, 5138132692, 10276265384, 20552530768]

約数ペア:

[(1, 20552530768), (2, 10276265384), (4, 5138132692), (7, 2936075824), (8, 2569066346), (11, 1868411888), (14, 1468037912), (16, 1284533173), (22, 934205944), (28, 734018956), (44, 467102972), (56, 367009478), (77, 266915984), (88, 233551486), (89, 230927312), (112, 183504739), (154, 133457992), (176, 116775743), (178, 115463656), (308, 66728996), (356, 57731828), (616, 33364498), (623, 32989616), (712, 28865914), (979, 20993392), (1232, 16682249), (1246, 16494808), (1424, 14432957), (1958, 10496696), (2492, 8247404), (3916, 5248348), (4984, 4123702), (6853, 2999056), (7832, 2624174), (9968, 2061851), (13706, 1499528), (15664, 1312087), (27412, 749764), (54824, 374882), (109648, 187441)]