20967849

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5839}}^1$

素因数の和:5874

約数の個数: 32

約数和(自身を含む): 37376000

約数和(自身を除く): 16408151

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5839, 17517, 40873, 52551, 110941, 122619, 157653, 332823, 367857, 776587, 998469, 1103571, 2329761, 2995407, 6989283, 20967849]

約数ペア:

[(1, 20967849), (3, 6989283), (7, 2995407), (9, 2329761), (19, 1103571), (21, 998469), (27, 776587), (57, 367857), (63, 332823), (133, 157653), (171, 122619), (189, 110941), (399, 52551), (513, 40873), (1197, 17517), (3591, 5839)]