20483060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78781}}^1$

素因数の和:78803

約数の個数: 24

約数和(自身を含む): 46323816

約数和(自身を除く): 25840756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 78781, 157562, 315124, 393905, 787810, 1024153, 1575620, 2048306, 4096612, 5120765, 10241530, 20483060]

約数ペア:

[(1, 20483060), (2, 10241530), (4, 5120765), (5, 4096612), (10, 2048306), (13, 1575620), (20, 1024153), (26, 787810), (52, 393905), (65, 315124), (130, 157562), (260, 78781)]