207905420

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{13043}}^1$

素因数の和:13849

約数の個数: 24

約数和(自身を含む): 437182704

約数和(自身を除く): 229277284

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 13043, 15940, 26086, 52172, 65215, 130430, 260860, 10395271, 20790542, 41581084, 51976355, 103952710, 207905420]

約数ペア:

[(1, 207905420), (2, 103952710), (4, 51976355), (5, 41581084), (10, 20790542), (20, 10395271), (797, 260860), (1594, 130430), (3188, 65215), (3985, 52172), (7970, 26086), (13043, 15940)]