20192620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6271}}^1$

素因数の和:6310

約数の個数: 48

約数和(自身を含む): 50577408

約数和(自身を除く): 30384788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6271, 12542, 25084, 31355, 43897, 62710, 87794, 125420, 144233, 175588, 219485, 288466, 438970, 576932, 721165, 877940, 1009631, 1442330, 2019262, 2884660, 4038524, 5048155, 10096310, 20192620]

約数ペア:

[(1, 20192620), (2, 10096310), (4, 5048155), (5, 4038524), (7, 2884660), (10, 2019262), (14, 1442330), (20, 1009631), (23, 877940), (28, 721165), (35, 576932), (46, 438970), (70, 288466), (92, 219485), (115, 175588), (140, 144233), (161, 125420), (230, 87794), (322, 62710), (460, 43897), (644, 31355), (805, 25084), (1610, 12542), (3220, 6271)]