20965842

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28409}}^1$

素因数の和:28458

約数の個数: 24

約数和(自身を含む): 46535580

約数和(自身を除く): 25569738

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28409, 56818, 85227, 170454, 255681, 511362, 1164769, 2329538, 3494307, 6988614, 10482921, 20965842]

約数ペア:

[(1, 20965842), (2, 10482921), (3, 6988614), (6, 3494307), (9, 2329538), (18, 1164769), (41, 511362), (82, 255681), (123, 170454), (246, 85227), (369, 56818), (738, 28409)]