20744262

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1695

約数の個数: 80

約数和(自身を含む): 57987072

約数和(自身を除く): 37242810

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 154, 162, 189, 198, 231, 297, 378, 462, 567, 594, 693, 891, 1134, 1386, 1663, 1782, 2079, 3326, 4158, 4989, 6237, 9978, 11641, 12474, 14967, 18293, 23282, 29934, 34923, 36586, 44901, 54879, 69846, 89802, 104769, 109758, 128051, 134703, 164637, 209538, 256102, 269406, 314307, 329274, 384153, 493911, 628614, 768306, 942921, 987822, 1152459, 1481733, 1885842, 2304918, 2963466, 3457377, 6914754, 10372131, 20744262]

約数ペア:

[(1, 20744262), (2, 10372131), (3, 6914754), (6, 3457377), (7, 2963466), (9, 2304918), (11, 1885842), (14, 1481733), (18, 1152459), (21, 987822), (22, 942921), (27, 768306), (33, 628614), (42, 493911), (54, 384153), (63, 329274), (66, 314307), (77, 269406), (81, 256102), (99, 209538), (126, 164637), (154, 134703), (162, 128051), (189, 109758), (198, 104769), (231, 89802), (297, 69846), (378, 54879), (462, 44901), (567, 36586), (594, 34923), (693, 29934), (891, 23282), (1134, 18293), (1386, 14967), (1663, 12474), (1782, 11641), (2079, 9978), (3326, 6237), (4158, 4989)]