20544030736

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{3139369}}^1$

素因数の和:3139786

約数の個数: 20

約数和(自身を含む): 39901392700

約数和(自身を除く): 19357361964

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 3139369, 6278738, 12557476, 25114952, 50229904, 1284001921, 2568003842, 5136007684, 10272015368, 20544030736]

約数ペア:

[(1, 20544030736), (2, 10272015368), (4, 5136007684), (8, 2568003842), (16, 1284001921), (409, 50229904), (818, 25114952), (1636, 12557476), (3272, 6278738), (6544, 3139369)]