20178696

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{19553}}^1$

素因数の和:19605

約数の個数: 32

約数和(自身を含む): 51622560

約数和(自身を除く): 31443864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 19553, 39106, 58659, 78212, 117318, 156424, 234636, 469272, 840779, 1681558, 2522337, 3363116, 5044674, 6726232, 10089348, 20178696]

約数ペア:

[(1, 20178696), (2, 10089348), (3, 6726232), (4, 5044674), (6, 3363116), (8, 2522337), (12, 1681558), (24, 840779), (43, 469272), (86, 234636), (129, 156424), (172, 117318), (258, 78212), (344, 58659), (516, 39106), (1032, 19553)]