20179151944

素因数分解:

$2^3\times 7^1\times {\mathrm{16691}}^1\times {\mathrm{21589}}^1$

素因数の和:38293

約数の個数: 32

約数和(自身を含む): 43245633600

約数和(自身を除く): 23066481656

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 16691, 21589, 33382, 43178, 66764, 86356, 116837, 133528, 151123, 172712, 233674, 302246, 467348, 604492, 934696, 1208984, 360341999, 720683998, 1441367996, 2522393993, 2882735992, 5044787986, 10089575972, 20179151944]

約数ペア:

[(1, 20179151944), (2, 10089575972), (4, 5044787986), (7, 2882735992), (8, 2522393993), (14, 1441367996), (28, 720683998), (56, 360341999), (16691, 1208984), (21589, 934696), (33382, 604492), (43178, 467348), (66764, 302246), (86356, 233674), (116837, 172712), (133528, 151123)]