20173368280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38794939}}^1$

素因数の和:38794963

約数の個数: 32

約数和(自身を含む): 48881624400

約数和(自身を除く): 28708256120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38794939, 77589878, 155179756, 193974695, 310359512, 387949390, 504334207, 775898780, 1008668414, 1551797560, 2017336828, 2521671035, 4034673656, 5043342070, 10086684140, 20173368280]

約数ペア:

[(1, 20173368280), (2, 10086684140), (4, 5043342070), (5, 4034673656), (8, 2521671035), (10, 2017336828), (13, 1551797560), (20, 1008668414), (26, 775898780), (40, 504334207), (52, 387949390), (65, 310359512), (104, 193974695), (130, 155179756), (260, 77589878), (520, 38794939)]