20940136

素因数分解:

$2^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2089}}^1$

素因数の和:2281

約数の個数: 32

約数和(自身を含む): 45144000

約数和(自身を除く): 24203864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 179, 358, 716, 1253, 1432, 2089, 2506, 4178, 5012, 8356, 10024, 14623, 16712, 29246, 58492, 116984, 373931, 747862, 1495724, 2617517, 2991448, 5235034, 10470068, 20940136]

約数ペア:

[(1, 20940136), (2, 10470068), (4, 5235034), (7, 2991448), (8, 2617517), (14, 1495724), (28, 747862), (56, 373931), (179, 116984), (358, 58492), (716, 29246), (1253, 16712), (1432, 14623), (2089, 10024), (2506, 8356), (4178, 5012)]