20276828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35449}}^1$

素因数の和:35477

約数の個数: 24

約数和(自身を含む): 41689200

約数和(自身を除く): 21412372

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35449, 70898, 141796, 389939, 460837, 779878, 921674, 1559756, 1843348, 5069207, 10138414, 20276828]

約数ペア:

[(1, 20276828), (2, 10138414), (4, 5069207), (11, 1843348), (13, 1559756), (22, 921674), (26, 779878), (44, 460837), (52, 389939), (143, 141796), (286, 70898), (572, 35449)]